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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-15 08:44:14 +08:00
linux-next/include
Hauke Mehrtens da360299b6 uapi/if_ether.h: move __UAPI_DEF_ETHHDR libc define
This fixes a compile problem of some user space applications by not
including linux/libc-compat.h in uapi/if_ether.h.

linux/libc-compat.h checks which "features" the header files, included
from the libc, provide to make the Linux kernel uapi header files only
provide no conflicting structures and enums. If a user application mixes
kernel headers and libc headers it could happen that linux/libc-compat.h
gets included too early where not all other libc headers are included
yet. Then the linux/libc-compat.h would not prevent all the
redefinitions and we run into compile problems.
This patch removes the include of linux/libc-compat.h from
uapi/if_ether.h to fix the recently introduced case, but not all as this
is more or less impossible.

It is no problem to do the check directly in the if_ether.h file and not
in libc-compat.h as this does not need any fancy glibc header detection
as glibc never provided struct ethhdr and should define
__UAPI_DEF_ETHHDR by them self when they will provide this.

The following test program did not compile correctly any more:

#include <linux/if_ether.h>
#include <netinet/in.h>
#include <linux/in.h>

int main(void)
{
	return 0;
}

Fixes: 6926e041a8 ("uapi/if_ether.h: prevent redefinition of struct ethhdr")
Reported-by: Guillaume Nault <g.nault@alphalink.fr>
Cc: <stable@vger.kernel.org> # 4.15
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-13 11:23:24 -05:00
..
acpi ACPICA: Update version to 20180105 2018-02-06 10:32:13 +01:00
asm-generic RISC-V changes for 4.16 2018-02-07 11:33:08 -08:00
clocksource
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-01-31 14:22:45 -08:00
drm drm/graphics pull request for v4.16-rc1 2018-02-01 17:48:47 -08:00
dt-bindings MIPS changes for 4.16 2018-02-07 11:22:44 -08:00
keys
kvm KVM changes for 4.16 2018-02-10 13:16:35 -08:00
linux ptr_ring: prevent integer overflow when calculating size 2018-02-11 22:33:22 -05:00
math-emu
media vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
memory
misc powerpc updates for 4.16 2018-02-02 10:01:04 -08:00
net vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
pcmcia
ras
rdma IB/core: Map iWarp AH type to undefined in rdma_ah_find_type 2018-02-01 15:43:31 -07:00
scsi SCSI postmerge on 20180202 2018-02-03 13:07:56 -08:00
soc ARM: SoC driver updates for 4.16 2018-02-01 16:35:31 -08:00
sound ASoC: Updates for v4.16 2018-02-07 12:11:09 -08:00
target target core: add device action configfs files 2018-01-16 18:05:04 -08:00
trace Char/Misc driver patches for 4.16-rc1 2018-02-01 10:31:17 -08:00
uapi uapi/if_ether.h: move __UAPI_DEF_ETHHDR libc define 2018-02-13 11:23:24 -05:00
video fbdev changes for v4.16: 2018-02-07 13:10:43 -08:00
xen