[PATCH] afs: Fix compile warning in afs_dynroot_lookup()

[Tiezhu Yang]

Fix the following compile warning:

  CC      fs/afs/dynroot.o
fs/afs/dynroot.c: In function âafs_dynroot_lookupâ:
fs/afs/dynroot.c:117:6: warning: âlenâ may be used uninitialized in this function [-Wmaybe-uninitialized]
  ret = lookup_one_len(name, dentry->d_parent, len);
      ^
fs/afs/dynroot.c:91:6: note: âlenâ was declared here
  int len;
      ^

Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
---
 fs/afs/dynroot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c
index 7503899..303f712 100644
--- a/fs/afs/dynroot.c
+++ b/fs/afs/dynroot.c
@@ -88,7 +88,7 @@ static struct dentry *afs_lookup_atcell(struct dentry *dentry)
 	struct dentry *ret;
 	unsigned int seq = 0;
 	char *name;
-	int len;
+	int len = 0;
 
 	if (!net->ws_cell)
 		return ERR_PTR(-ENOENT);
-- 
2.1.0