The patch titled
Subject: include/linux/fs.h: fix unsigned enum warning with gcc-4.2
has been added to the -mm tree. Its filename is
fs-fix-unsigned-enum-warning-with-gcc-42.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-fix-unsigned-enum-warning-with-gcc-42.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-fix-unsigned-enum-warning-with-gcc-42.patch
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------------------------------------------------------
From: Arnd Bergmann <arnd@xxxxxxxx>
Subject: include/linux/fs.h: fix unsigned enum warning with gcc-4.2
With arm-linux-gcc-4.2, almost every file we build in the kernel ends up
with this warning:
include/linux/fs.h:2648: warning: comparison of unsigned expression < 0 is always false
Later versions don't have this problem, but it's easy enough to
work around.
Link: http://lkml.kernel.org/r/20161216105634.235457-12-arnd@xxxxxxxx
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
Cc: Brendan Gregg <brendan.d.gregg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/fs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/fs.h~fs-fix-unsigned-enum-warning-with-gcc-42 include/linux/fs.h
--- a/include/linux/fs.h~fs-fix-unsigned-enum-warning-with-gcc-42
+++ a/include/linux/fs.h
@@ -2652,7 +2652,7 @@ static const char * const kernel_read_fi
static inline const char *kernel_read_file_id_str(enum kernel_read_file_id id)
{
- if (id < 0 || id >= READING_MAX_ID)
+ if ((unsigned)id >= READING_MAX_ID)
return kernel_read_file_str[READING_UNKNOWN];
return kernel_read_file_str[id];
_
Patches currently in -mm which might be from arnd@xxxxxxxx are
fs-fix-unsigned-enum-warning-with-gcc-42.patch
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