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Merge tag 'stable/for-linus-3.14-rc8-tag' of git://git.kernel.org/pub/scm/linux/kerne...
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
fs
/
dcache.c
diff --git
a/fs/dcache.c
b/fs/dcache.c
index
265e0ce
..
ca02c13
100644
(file)
--- a/
fs/dcache.c
+++ b/
fs/dcache.c
@@
-2833,9
+2833,9
@@
static int prepend_name(char **buffer, int *buflen, struct qstr *name)
u32 dlen = ACCESS_ONCE(name->len);
char *p;
- if (*buflen < dlen + 1)
- return -ENAMETOOLONG;
*buflen -= dlen + 1;
+ if (*buflen < 0)
+ return -ENAMETOOLONG;
p = *buffer -= dlen + 1;
*p++ = '/';
while (dlen--) {