[PATCH 4.19 22/57] fs: sysfs_emit: Remove PAGE_SIZE alignment check

Greg Kroah-Hartman
2022-03-21T13:59:30Z

From: Lucas Wei <lucaswei@google.com>

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>
---
fs/sysfs/file.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -572,8 +572,7 @@ int sysfs_emit(char *buf, const char *fm
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);