nfs: Fix nfs_parse_mount_options() kfree() leak

Fix a (small) memory leak in one of the error paths of the NFS mount
options parsing code.

Regression introduced in 2.6.30 by commit a67d18f (NFS: load the
rpc/rdma transport module automatically).

Reported-by: Yinghai Lu <[email protected]>
Reported-by: Pekka Enberg <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a2c18acb856837f157a9e871fe1e511abc0911cc..90be551b80c19fa2733349cbecfdfe231f2a5573 100644 (file)
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1253,6 +1253,7 @@ static int nfs_parse_mount_options(char *raw,
                        default:
                                dfprintk(MOUNT, "NFS:   unrecognized "
                                                "transport protocol\n");
+                               kfree(string);
                                return 0;
                        }
                        break;