Commit Graph

254058 Commits

Author SHA1 Message Date
H Hartley Sweeten
033590fc9d hwrng: timeriomem - use resource_size
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30 07:44:01 +08:00
Julia Lawall
2725ae1759 hwrng: nomadik - add missing clk_put
Jump to the end of the function for the clk_disable and clk_put rather than
returning directly.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r exists@
expression e1,e2;
statement S;
@@

e1 = clk_get@p1(...);
... when != e1 = e2
    when != clk_put(e1)
    when any
if (...) { ... when != clk_put(e1)
               when != if (...) { ... clk_put(e1) ... }
* return@p3 ...;
 } else S
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30 07:44:01 +08:00
Julia Lawall
6ba1a31ef1 hwrng: omap - add missing clk_put
Convert a return to a jump to an existing label that calls clk_put.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r exists@
expression e1,e2;
statement S;
@@

e1 = clk_get@p1(...);
... when != e1 = e2
    when != clk_put(e1)
    when any
if (...) { ... when != clk_put(e1)
               when != if (...) { ... clk_put(e1) ... }
* return@p3 ...;
 } else S
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30 07:44:01 +08:00
Richard Weinberger
8af00860c9 crypto: UML build fixes
CRYPTO_GHASH_CLMUL_NI_INTEL and CRYPTO_AES_NI_INTEL cannot be used
on UML.
Commit 3e02e5cb and 54b6a1b enabled them by accident.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30 07:44:01 +08:00
Jarod Wilson
5165e5b112 crypto: testmgr - add xts-aes-256 self-test
FIPS compliance requires a known-answer self-test for all approved
cipher and mode combinations, for all valid key sizes. Presently,
there are only self-tests for xts-aes-128. This adds a 256-bit one,
pulled from the same reference document, which should satisfy the
requirement.

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30 07:44:00 +08:00
Gustavo F. Padovan
c3e73e76a9 crypto: ghash-intel - Fix set but not used in ghash_async_setkey()
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30 07:43:42 +08:00
Kim Phillips
a18b989a5c crypto: caam - fix operator precedence in shared descriptor allocation
setkey allocates 16 bytes (CAAM_CMD_SZ *
DESC_AEAD_SHARED_TEXT_LEN) shy of what is needed to
store the shared descriptor, resulting in memory
corruption.  Fix this.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30 07:43:27 +08:00
Linus Torvalds
258e43fdb0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: mark CONFIG_CIFS_NFSD_EXPORT as BROKEN
  cifs: free blkcipher in smbhash
2011-06-26 19:40:31 -07:00
Linus Torvalds
804a007f54 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  cifs: propagate errors from cifs_get_root() to mount(2)
  cifs: tidy cifs_do_mount() up a bit
  cifs: more breakage on mount failures
  cifs: close sget() races
  cifs: pull freeing mountdata/dropping nls/freeing cifs_sb into cifs_umount()
  cifs: move cifs_umount() call into ->kill_sb()
  cifs: pull cifs_mount() call up
  sanitize cifs_umount() prototype
  cifs: initialize ->tlink_tree in cifs_setup_cifs_sb()
  cifs: allocate mountdata earlier
  cifs: leak on mount if we share superblock
  cifs: don't pass superblock to cifs_mount()
  cifs: don't leak nls on mount failure
  cifs: double free on mount failure
  take bdi setup/destruction into cifs_mount/cifs_umount

Acked-by: Steve French <smfrench@gmail.com>
2011-06-26 19:39:22 -07:00
Steve French
daf6c4501e Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6 2011-06-25 19:22:28 +00:00
Linus Torvalds
8abf558834 Merge branch 'timer-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timer-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  rtc: vt8500: Fix build error & cleanup rtc_class_ops->update_irq_enable()
  alarmtimers: Return -ENOTSUPP if no RTC device is present
  alarmtimers: Handle late rtc module loading
2011-06-25 07:23:59 -07:00
Linus Torvalds
4d362ad280 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: Remove unneeded version.h includes from sound/
  ASoC: pxa-ssp: Correct check for stream presence
  ASoC: imx: add missing module informations
  ASoC: imx: Remove unused Kconfig SND_MXC_SOC_SSI entry
  ALSA: HDA: Pinfix quirk for HP Z200 Workstation
  ALSA: VIA HDA: Create a master amplifier control for VT1718S.
  ALSA: VIA HDA: Mute/unmute mixer conncted to Headphone for VT1718S.
  ALSA: VIA HDA: Modify initial verbs list for VT1718S.
  ALSA: hda - Remove ALC268 model override for CPR2000
  ALSA: HDA: Remove quirk for an HP device
  ASoC: Remove unused and about to be broken SND_SOC_CUSTOM I/O bus
2011-06-25 07:23:27 -07:00
Thomas Gleixner
b1eb085c06 Merge branch 'fortglx/3.0/tip/timers/rtc' of git://git.linaro.org/people/jstultz/linux into timers/urgent
* rtc: vt8500: Fix build error & cleanup rtc_class_ops->update_irq_enable()
2011-06-25 10:31:27 +02:00
Linus Torvalds
536142f950 Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6:
  drm/i915: save/resume forcewake lock fixes
  Revert "drm/i915: Kill GTT mappings when moving from GTT domain"
  drm/i915: Apply HWSTAM workaround for BSD ring on SandyBridge
  drm/i915: Call intel_enable_plane from i9xx_crtc_mode_set (again)
2011-06-24 22:01:40 -07:00
Al Viro
9403c9c598 cifs: propagate errors from cifs_get_root() to mount(2)
... instead of just failing with -EINVAL

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:43 -04:00
Al Viro
5c4f1ad7c6 cifs: tidy cifs_do_mount() up a bit
Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:42 -04:00
Al Viro
fa18f1bdce cifs: more breakage on mount failures
if cifs_get_root() fails, we end up with ->mount() returning NULL,
which is not what callers expect.  Moreover, in case of superblock
reuse we end up leaking a superblock reference...

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:42 -04:00
Al Viro
ee01a14d9d cifs: close sget() races
have ->s_fs_info set by the set() callback passed to sget()

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:42 -04:00
Al Viro
d757d71bfc cifs: pull freeing mountdata/dropping nls/freeing cifs_sb into cifs_umount()
all callers of cifs_umount() proceed to do the same thing; pull it into
cifs_umount() itself.

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:42 -04:00
Al Viro
98ab494dd1 cifs: move cifs_umount() call into ->kill_sb()
instead of calling it manually in case if cifs_read_super() fails
to set ->s_root, just call it from ->kill_sb().  cifs_put_super()
is gone now *and* we have cifs_sb shutdown and destruction done
after the superblock is gone from ->s_instances.

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:42 -04:00
Al Viro
97d1152ace cifs: pull cifs_mount() call up
... to the point prior to sget().  Now we have cifs_sb set up early
enough.

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:42 -04:00
Al Viro
2a9b99516c sanitize cifs_umount() prototype
a) superblock argument is unused
b) it always returns 0

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:42 -04:00
Al Viro
2ced6f6935 cifs: initialize ->tlink_tree in cifs_setup_cifs_sb()
no need to wait until cifs_read_super() and we need it done
by the time cifs_mount() will be called.

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:42 -04:00
Al Viro
5d3bc605ca cifs: allocate mountdata earlier
pull mountdata allocation up, so that it won't stand in the way when
we lift cifs_mount() to location before sget().

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:41 -04:00
Al Viro
d687ca380f cifs: leak on mount if we share superblock
cifs_sb and nls end up leaked...

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:41 -04:00
Al Viro
2c6292ae4b cifs: don't pass superblock to cifs_mount()
To close sget() races we'll need to be able to set cifs_sb up before
we get the superblock, so we'll want to be able to do cifs_mount()
earlier.  Fortunately, it's easy to do - setting ->s_maxbytes can
be done in cifs_read_super(), ditto for ->s_time_gran and as for
putting MS_POSIXACL into ->s_flags, we can mirror it in ->mnt_cifs_flags
until cifs_read_super() is called.  Kill unused 'devname' argument,
while we are at it...

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:41 -04:00
Al Viro
ca171baaad cifs: don't leak nls on mount failure
if cifs_sb allocation fails, we still need to drop nls we'd stashed
into volume_info - the one we would've copied to cifs_sb if we could
allocate the latter.

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:41 -04:00
Al Viro
6d6861757d cifs: double free on mount failure
if we get to out_super with ->s_root already set (e.g. with
cifs_get_root() failure), we'll end up with cifs_put_super()
called and ->mountdata freed twice.  We'll also get cifs_sb
freed twice and cifs_sb->local_nls dropped twice.  The problem
is, we can get to out_super both with and without ->s_root,
which makes ->put_super() a bad place for such work.

Switch to ->kill_sb(), have all that work done there after
kill_anon_super().  Unlike ->put_super(), ->kill_sb() is
called by deactivate_locked_super() whether we have ->s_root
or not.

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:41 -04:00
Al Viro
dd85446619 take bdi setup/destruction into cifs_mount/cifs_umount
Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-06-24 18:39:41 -04:00
Jeff Layton
9b8e072a31 cifs: mark CONFIG_CIFS_NFSD_EXPORT as BROKEN
This does not work properly with CIFS as current servers do not
enable support for the FILE_OPEN_BY_FILE_ID on SMB NTCreateX
and not all NFS clients handle ESTALE.

For now, it just plain doesn't work. Mark it BROKEN to discourage
distros from enabling it.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-06-24 17:33:30 +00:00
Jeff Layton
e4fb0edb7c cifs: free blkcipher in smbhash
This is currently leaked in the rc == 0 case.

Reported-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-06-24 17:03:55 +00:00
Linus Torvalds
5220cc9382 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
* 'for-linus' of git://git.kernel.dk/linux-block:
  block: add REQ_SECURE to REQ_COMMON_MASK
  block: use the passed in @bdev when claiming if partno is zero
  block: Add __attribute__((format(printf...) and fix fallout
  block: make disk_block_events() properly wait for work cancellation
  block: remove non-syncing __disk_block_events() and fold it into disk_block_events()
  block: don't use non-syncing event blocking in disk_check_events()
  cfq-iosched: fix locking around ioc->ioc_data assignment
2011-06-24 08:42:35 -07:00
Linus Torvalds
726ce0656b Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  pata_marvell: Add support for 88SE91A0, 88SE91A4
  libata/sas: only set FROZEN flag if new EH is supported
  libata: apply NOSETXFER horkage to the affected Pioneer drives regardless of firmware revision
  drivers/ata/sata_dwc_460ex: Fix typo 'corrresponding'
2011-06-24 08:41:36 -07:00
Linus Torvalds
d96328055c Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms: handle special cases for vddc
  drm/radeon/kms: fix num_banks tiling config for fusion
2011-06-24 08:39:43 -07:00
Linus Torvalds
7a1f7b3d68 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/scsi-post-merge-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/scsi-post-merge-2.6:
  tcm_fc: Fix conversion spec warning
  tcm_fc: Fix possible lock to unlock type deadlock
  tcm_fc: Fix ft_send_tm LUN lookup OOPs
  target: Fix incorrect strlen() NULL terminator checks
  target: Drop bogus ERR_PTR usage in target_fabric_configfs_init
  target: Fix ERR_PTR dereferencing bugs
  target: Convert transport_deregister_session_configfs nacl_sess_lock to save irq state
  target: Fix transport_get_lun_for_tmr failure cases
  [SCSI] target: Convert TASK_ATTR to scsi_tcq.h definitions
  [SCSI] target: Convert REPORT_LUNs to use int_to_scsilun
  [SCSI] target: Fix task->task_execute_queue=1 clear bug + LUN_RESET OOPs
  [SCSI] target: Fix bug with task_sg chained transport_free_dev_tasks release
  [SCSI] target: Fix interrupt context bug with stats_lock and core_tmr_alloc_req
  [SCSI] target: Fix multi task->task_sg[] chaining logic bug
2011-06-24 08:38:51 -07:00
Linus Torvalds
12f1ba5a7d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  x86/PCI/ACPI: fix type mismatch
  PCI: fix new kernel-doc warning
  PCI: Fix warning in drivers/pci/probe.c on sparc64
2011-06-24 08:36:16 -07:00
Linus Torvalds
143e859d05 Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: fix wsize negotiation to respect max buffer size and active signing (try #4)
  CIFS: Fix problem with 3.0-rc1 null user mount failure
2011-06-24 08:35:04 -07:00
Jesper Juhl
46e4edbf7e Remove unneeded version.h includes from fs/
It was pointed out by 'make versioncheck' that some includes of
linux/version.h were not needed in fs/ (fs/btrfs/ctree.h and
fs/omfs/file.c).

This patch removes them.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-24 08:34:22 -07:00
Takashi Iwai
e093811857 Merge branch 'fix/asoc' into for-linus 2011-06-24 12:36:25 +02:00
Jesper Juhl
16866741bd ALSA: Remove unneeded version.h includes from sound/
In the sound/ directory there are two files (flagged by 'make
versioncheck'); sound/pci/asihpi/asihpi.c and
sound/soc/codecs/wm8991.c that include linux/version.h although they
don't need it. This patch removes the unneeded includes.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-06-24 11:28:17 +02:00
Paweł Drewniak
f920fe1cb7 pata_marvell: Add support for 88SE91A0, 88SE91A4
This patch enables support for Marvell IDE PATA controllers found on
Asus P8P67LE motherboard.

The formatting has been corrected and I also received a report from two
users of this motherboard that the patch works.

Signed-off-by: Paweł Drewniak <czajernia@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2011-06-24 02:07:35 -04:00
Alex Deucher
ee4017f4ac drm/radeon/kms: handle special cases for vddc
A voltage value of 0xff01 requires that the driver
look up the max voltage for the board based using the
atom SetVoltage command table.

Setting the proper voltage should fix stability on
some newer asics.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-24 11:11:53 +10:00
Alex Deucher
d698a34da7 drm/radeon/kms: fix num_banks tiling config for fusion
The field is encoded:
0 = 4 banks
1 = 8 banks
2 = 16 banks

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-24 11:11:52 +10:00
Nicholas Bellinger
95efa28639 tcm_fc: Fix conversion spec warning
This patch fixes the following conversion specification warning for size_t

drivers/target/tcm_fc/tfc_io.c: In function ‘ft_queue_data_in’:
drivers/target/tcm_fc/tfc_io.c:209: warning: format ‘%x’ expects type ‘unsigned int’, but argument 5 has type ‘size_t’

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-06-24 00:09:16 +00:00
Dan Carpenter
7c7cf3b9c3 tcm_fc: Fix possible lock to unlock type deadlock
There is a typo here, it should be an unlock instead of a lock.  The
original code will deadlock.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-06-24 00:09:15 +00:00
Kiran Patil
61db952713 tcm_fc: Fix ft_send_tm LUN lookup OOPs
This patch fixes a bug in ft_send_tm() that was incorrectly calling
ft_get_lun_for_cmd() -> transport_get_lun_for_cmd(), instead of using
transport_get_lun_for_tmr() for the proper struct se_lun lookup
that was triggering an OOPs in the se_cmd->tmr_req failure path.

This patch fixes the issue by re-arranging the codepath where
transport_get_lun_for_tmr() is called after tmr request is allocated and
made it available as part of se_cmd.

It also drops the now unnecessary ft_get_lun_for_cmd() unpacking code, and
uses scsilun_to_int() directly ahead of transport_get_lun_for_cmd() and
transport_get_lun_for_tmr() usage.

Signed-off-by: Patil, Kiran <kiran.patil@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
2011-06-24 00:09:15 +00:00
Dan Carpenter
60d645a4e9 target: Fix incorrect strlen() NULL terminator checks
This patch fixes a number of cases in target core using an incorrectly

	if (strlen(foo) > SOME_MAX_SIZE)

As strlen() returns the number of characters in the string not counting
the NULL character at the end.  So if you do something like:

        char buf[10];

        if (strlen("0123456789") > 10)
                return -ETOOLONG;
        snprintf(buf, 10, "0123456789");
        printf("%s\n", buf);

then the last "9" gets chopped off and only "012345678" is printed.

Plus I threw in one small related cleanup.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-06-24 00:08:11 +00:00
Dan Carpenter
5eff5be0b1 target: Drop bogus ERR_PTR usage in target_fabric_configfs_init
In the original code, there were several places inside the
target_fabric_configfs_init() function that returned NULL on error
and one place the returned an ERR_PTR.  There are two places that
call this function and they only check for NULL returns; they don't
check for ERR_PTRs.  So I've changed the ERR_PTR so now the function
only returns NULL on error.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-06-24 00:03:51 +00:00
Dan Carpenter
552523dcbf target: Fix ERR_PTR dereferencing bugs
transport_init_session() and core_tmr_alloc_req() never return NULL,
they only return ERR_PTRs on error.

v2: Fix patch to return PTR_ERR(tl_nexus->se_sess) from Ankit Jain's
feedback.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Ankit Jain <jankit@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-06-24 00:03:27 +00:00
Roland Dreier
233888644d target: Convert transport_deregister_session_configfs nacl_sess_lock to save irq state
This patch converts transport_deregister_session_configfs() to save/restore
spinlock IRQ state for struct se_node_acl->nacl_sess_lock access as tcm_qla2xxx
logic expects to call transport_deregister_session_configfs() code with
irq save already held for struct qla_hw_data.

Reported-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-06-23 23:59:45 +00:00