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net: rfkill: gpio: hard-code the gpio names
[firefly-linux-kernel-4.4.55.git]
/
fs
/
dcache.c
diff --git
a/fs/dcache.c
b/fs/dcache.c
index 265e0ce9769c70db65d5f9df11c4365f44c6dd29..ca02c13a84aa24d55b18bbced577ece923605665 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--) {