Commit ef84303e authored by Benny Halevy's avatar Benny Halevy Committed by Trond Myklebust
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NFS: handle inode==NULL in __put_nfs_open_context 



inode may be NULL when put_nfs_open_context is called from nfs_atomic_lookup
before d_add_unique(dentry, inode)

Signed-off-by: default avatarBenny Halevy <bhalevy@panasas.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 5eebde23

fs/nfs/inode.c

+7 −4
Original line number Diff line number Diff line
@@ -654,11 +654,14 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync) 
{

	struct inode *inode = ctx->path.dentry->d_inode;



	if (inode) {

		if (!atomic_dec_and_lock(&ctx->lock_context.count, &inode->i_lock))

			return;

		list_del(&ctx->list);

		spin_unlock(&inode->i_lock);

		NFS_PROTO(inode)->close_context(ctx, is_sync);

	} else if (!atomic_dec_and_test(&ctx->lock_context.count))

		return;

	if (ctx->cred != NULL)

		put_rpccred(ctx->cred);

	path_put(&ctx->path);