NFSv4: Fix an oops in nfs4_fill_super
The mount statistics patches introduced a call to nfs_free_iostats that is
not only redundant, but actually causes an oops.
Also fix a memory leak due to the lack of a call to nfs_free_iostats on
unmount.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/iostat.h b/fs/nfs/iostat.h
index 7a74951..6350ecbd 100644
--- a/fs/nfs/iostat.h
+++ b/fs/nfs/iostat.h
@@ -156,7 +156,8 @@
static inline void nfs_free_iostats(struct nfs_iostats *stats)
{
- free_percpu(stats);
+ if (stats != NULL)
+ free_percpu(stats);
}
#endif