pNFS: Handle allocation errors correctly in objlayout_alloc_layout_hdr()

Return the NULL pointer when the allocation fails.

Cc: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

diff --git a/fs/nfs/objlayout/objlayout.c b/fs/nfs/objlayout/objlayout.c
index 2f955f6..765d3f5 100644 (file)
--- a/fs/nfs/objlayout/objlayout.c
+++ b/fs/nfs/objlayout/objlayout.c
@@ -53,10 +53,10 @@ objlayout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags)
        struct objlayout *objlay;
 
        objlay = kzalloc(sizeof(struct objlayout), gfp_flags);
-       if (objlay) {
-               spin_lock_init(&objlay->lock);
-               INIT_LIST_HEAD(&objlay->err_list);
-       }
+       if (!objlay)
+               return NULL;
+       spin_lock_init(&objlay->lock);
+       INIT_LIST_HEAD(&objlay->err_list);
        dprintk("%s: Return %p\n", __func__, objlay);
        return &objlay->pnfs_layout;
 }