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 <[email protected]> Signed-off-by: Al Viro <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
josf · Mar 22, 2012 · f132c5b · f132c5b
1 parent ba331d5
commit f132c5b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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)