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authorArnd Bergmann <arnd@arndb.de>2017-03-09 16:16:57 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-03-09 17:01:09 -0800
commitcbfd0c1001bedb4b051cf4a1f5df24f1500381bc (patch)
treec3e8c87a24c2fffaa60c9e3c9c70498aa6e8c61d /include/linux/fs.h
parent8c9e7bb7a41f2bbd54b2caefb274fb3de239819f (diff)
downloadop-kernel-dev-cbfd0c1001bedb4b051cf4a1f5df24f1500381bc.zip
op-kernel-dev-cbfd0c1001bedb4b051cf4a1f5df24f1500381bc.tar.gz
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@arndb.de Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <rmk+kernel@armlinux.org.uk> Cc: Brendan Gregg <brendan.d.gregg@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index aad3fd0..7251f7b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2678,7 +2678,7 @@ static const char * const kernel_read_file_str[] = {
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];
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