korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-02 08:34:20 +08:00
Code Issues Packages Projects Releases Wiki Activity
176f0e841e
linux/drivers/net/wireless
History
Sujith Manoharan 176f0e841e ath9k: Fix RX DMA mapping 
After the commit "ath9k: improve dma map failure handling", the
wrong buffer was DMA-unmapped, introducing warnings like the one below.
This patch fixes the issue.

WARNING: at /home/sujith/dev/wireless-testing/lib/dma-debug.c:986 check_sync+0x4bc/0x580()
Hardware name: LIFEBOOK AH531
ath9k 0000:02:00.0: DMA-API: device driver tries to sync DMA memory it has not allocated [device address=0x00000000d9012800] [size=48 bytes]
Pid: 86, comm: kworker/u:5 Tainted: G        W  O 3.9.0-rc8-wl-debug #106
Call Trace:
 [<ffffffff810410c0>] warn_slowpath_common+0x70/0xa0
 [<ffffffff8104113c>] warn_slowpath_fmt+0x4c/0x50
 [<ffffffff8125432c>] check_sync+0x4bc/0x580
 [<ffffffff8109e5f7>] ? trace_hardirqs_on_caller+0xa7/0x190
 [<ffffffff8109e6ed>] ? trace_hardirqs_on+0xd/0x10
 [<ffffffff81254488>] debug_dma_sync_single_for_device+0x48/0x50
 [<ffffffffa0a53825>] ? ath9k_iowrite32+0x35/0x90 [ath9k]
 [<ffffffff812512f0>] ? swiotlb_tbl_sync_single+0x50/0x90
 [<ffffffff81251350>] ? swiotlb_sync_single+0x20/0x30
 [<ffffffff8125137f>] ? swiotlb_sync_single_for_device+0xf/0x20
 [<ffffffffa0a58baf>] ath_rx_edma_buf_link+0xef/0x140 [ath9k]
 [<ffffffffa0a58c4e>] ath_rx_addbuffer_edma+0x4e/0x90 [ath9k]
 [<ffffffffa0a59c51>] ath_startrecv+0xf1/0x120 [ath9k]
 [<ffffffffa0a550e0>] ath_complete_reset+0x20/0x130 [ath9k]
 [<ffffffffa0a5790d>] ath_reset_internal+0x10d/0x210 [ath9k]
 [<ffffffffa0a5878c>] ath9k_config+0x47c/0x7b0 [ath9k]
 [<ffffffffa06d4978>] ieee80211_hw_config+0x88/0x3f0 [mac80211]
 [<ffffffffa06d4a3f>] ? ieee80211_hw_config+0x14f/0x3f0 [mac80211]
 [<ffffffffa06dbed1>] __ieee80211_scan_completed+0xc1/0x440 [mac80211]
 [<ffffffffa06dd002>] ieee80211_scan_work+0x82/0x440 [mac80211]
 [<ffffffff810606a3>] process_one_work+0x1e3/0x530
 [<ffffffff81060641>] ? process_one_work+0x181/0x530
 [<ffffffff8106163f>] worker_thread+0x10f/0x3c0
 [<ffffffff81061530>] ? manage_workers+0x330/0x330
 [<ffffffff810665da>] kthread+0xea/0xf0
 [<ffffffff810664f0>] ? kthread_create_on_node+0x140/0x140
 [<ffffffff8146085c>] ret_from_fork+0x7c/0xb0
 [<ffffffff810664f0>] ? kthread_create_on_node+0x140/0x140

Cc: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-04-23 14:14:54 -04:00
..
ath ath9k: Fix RX DMA mapping 2013-04-23 14:14:54 -04:00
b43 Merge branch 'master' of git://git.infradead.org/users/rafal/b43-next 2013-04-23 14:10:10 -04:00
b43legacy mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan 2013-03-25 19:19:35 +01:00
brcm80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2013-04-23 14:09:39 -04:00
hostap net: wireless: hostap: hostap_ap.c: Return -ENOMEM instead of -1 for if kmalloc() fails. 2013-02-18 15:30:40 -05:00
ipw2x00 ipw2x00: move to kstrto* functions 2013-04-10 14:10:34 -04:00
iwlegacy Merge remote-tracking branch 'wireless-next/master' into mac80211-next 2013-04-22 15:31:43 +02:00
iwlwifi Merge remote-tracking branch 'wireless-next/master' into mac80211-next 2013-04-22 15:31:43 +02:00
libertas Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2013-03-01 13:52:03 -05:00
libertas_tf mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan 2013-03-25 19:19:35 +01:00
mwifiex mwifiex: remove redundant initialization for bss_descriptor 2013-04-22 15:38:36 -04:00
orinoco orinoco_usb: don't release nonexistent firmware 2013-03-11 15:06:13 -04:00
p54 mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan 2013-03-25 19:19:35 +01:00
prism54 wireless: Remove unnecessary alloc/OOM messages, alloc cleanups 2013-02-04 13:22:34 -05:00
rt2x00 rt2x00: Use more current logging styles, shrink object size 2013-04-22 15:20:26 -04:00
rtl818x mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan 2013-03-25 19:19:35 +01:00
rtlwifi rtl8192c:dm: Properly initialize local array and set value. 2013-04-23 14:14:52 -04:00
ti Merge remote-tracking branch 'wireless-next/master' into mac80211-next 2013-04-22 15:31:43 +02:00
zd1211rw mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan 2013-03-25 19:19:35 +01:00
adm8211.c mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan 2013-03-25 19:19:35 +01:00
adm8211.h
airo_cs.c wireless: Remove unnecessary alloc/OOM messages, alloc cleanups 2013-02-04 13:22:34 -05:00
airo.c wireless: remove __dev* attributes 2012-12-06 15:04:55 -05:00
airo.h
at76c50x-usb.c mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan 2013-03-25 19:19:35 +01:00
at76c50x-usb.h
atmel_cs.c wireless: Remove unnecessary alloc/OOM messages, alloc cleanups 2013-02-04 13:22:34 -05:00
atmel_pci.c atmel: remove __dev* attributes 2012-12-06 15:04:56 -05:00
atmel.c treewide: fix typo of "suport" in various comments and Kconfig 2012-11-19 14:16:09 +01:00
atmel.h
Kconfig drivers/net/wireless: remove depends on CONFIG_EXPERIMENTAL 2013-01-22 12:01:35 -08:00
mac80211_hwsim.c mac80211_hwsim: handle IEEE80211_HW_SUPPORTS_RC_TABLE 2013-04-22 16:19:16 +02:00
mac80211_hwsim.h
Makefile wireless: fix Atheros drivers compilation 2012-12-17 15:48:43 -05:00
mwl8k.c mwl8k: remove nonstandard rate 72 Mbps 2013-04-22 15:06:44 -04:00
ray_cs.c ray_cs: read past the end of the array 2013-03-06 16:25:47 -05:00
ray_cs.h
rayctl.h
rndis_wlan.c rndis_wlan: update email address 2013-03-08 15:58:54 -05:00
wl3501_cs.c
wl3501.h
zd1201.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
zd1201.h