As observed with clang:
fs/fat/fat_write.c:1024:13: warning: comparison of constant 128
with expression of type 'char' is always false
[-Wtautological-constant-out-of-range-compare]
if ((0x80 <= c) && (c <= 0xff))
~~~~ ^ ~
fs/fat/fat_write.c:1024:25: warning: comparison of constant 255
with expression of type 'char' is always true
[-Wtautological-constant-out-of-range-compare]
if ((0x80 <= c) && (c <= 0xff))
~ ^ ~~~~
Fixes: 25bb9dab14f4 ("fs: fat: check and normalize file name")
Cc: AKASHI Takahiro <takahiro.aka...@linaro.org>
Cc: Alexander Graf <ag...@suse.de>
Signed-off-by: Tom Rini <tr...@konsulko.com>
---
fs/fat/fat_write.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c
index fc211e74bc69..98fe6b2b4ecc 100644
--- a/fs/fat/fat_write.c
+++ b/fs/fat/fat_write.c
@@ -1005,7 +1005,7 @@ again:
static int normalize_longname(char *l_filename, const char *filename)
{
const char *p, legal[] = "!#$%&\'()-.@^`_{}~";
- char c;
+ unsigned char c;
int name_len;
/* Check that the filename is valid */
--
2.7.4
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