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fs: sysfs_emit: Remove PAGE_SIZE alignment check

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For kernel releases older than 4.20, using the SLUB alloctor will cause
this alignment check to fail as that allocator did NOT align kmalloc
allocations on a PAGE_SIZE boundry.

Remove the check for these older kernels as it is a false-positive and
causes problems on many devices.

Signed-off-by: Lucas Wei <lucaswei@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lucas Wei 2022-03-18 15:14:01 +08:00 committed by Greg Kroah-Hartman
parent b8fe47f81d
commit d6ea756586
1 changed files with 1 additions and 2 deletions
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3
fs/sysfs/file.c
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@ -565,8 +565,7 @@ int sysfs_emit(char *buf, const char *fmt, ...)
va_list args;
int len;
if (WARN(!buf || offset_in_page(buf),
"invalid sysfs_emit: buf:%p\n", buf))
if (WARN(!buf, "invalid sysfs_emit: buf:%p\n", buf))
return 0;
va_start(args, fmt);