Fix full_name_hash() behaviour when length is a multiple of 8

We want it to match what hash_name() is doing, which means extra
multiply by 9 in this case...

Reported-and-Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/namei.c b/fs/namei.c
index a94a7f9a03ea..bd313d680d34 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1439,10 +1439,10 @@ unsigned int full_name_hash(const unsigned char *name, unsigned int len)
 
         for (;;) {
                 a = *(unsigned long *)name;
-                hash *= 9;
                 if (len < sizeof(unsigned long))
                         break;
                 hash += a;
+                hash *= 9;
                 name += sizeof(unsigned long);
                 len -= sizeof(unsigned long);
                 if (!len)