btrfs-progs: Stop stomping on 'name' input parameter

In btrfs_name_hash, Local variable 'buf' is declared as

	__u32 buf[2];

but we then try to do this:

	buf[0] = 0x67452301;
	buf[1] = 0xefcdab89;
	buf[2] = 0x98badcfe;
	buf[3] = 0x10325476;

Oops. Fix buf to be the proper size.

Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/hash.c b/fs/btrfs/hash.c
index d5252f5c9d01..21037cfca9bd 100644
--- a/fs/btrfs/hash.c
+++ b/fs/btrfs/hash.c
@@ -81,7 +81,7 @@ u64 btrfs_name_hash(const char *name, int len)
         __u32   hash;
         __u32   minor_hash = 0;
         const char      *p;
-        __u32           in[8], buf[2];
+        __u32           in[8], buf[4];
         u64             hash_result;
 
         if (len == 1 && *name == '.') {