Commit 6ba22d8d authored by David Howells's avatar David Howells
Browse files

netfs: Make netfs_put_request() handle a NULL pointer 



Make netfs_put_request() just return if given a NULL request pointer.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
parent c6dc54dd

fs/netfs/objects.c

+13 −10
Original line number Diff line number Diff line
@@ -106,10 +106,12 @@ static void netfs_free_request(struct work_struct *work) 
void netfs_put_request(struct netfs_io_request *rreq, bool was_async,

		       enum netfs_rreq_ref_trace what)

{

	unsigned int debug_id = rreq->debug_id;

	unsigned int debug_id;

	bool dead;

	int r;



	if (rreq) {

		debug_id = rreq->debug_id;

		dead = __refcount_dec_and_test(&rreq->ref, &r);

		trace_netfs_rreq_ref(debug_id, r - 1, what);

		if (dead) {
@@ -122,6 +124,7 @@ void netfs_put_request(struct netfs_io_request *rreq, bool was_async, 
			}

		}

	}

}



/*

 * Allocate and partially initialise an I/O request structure.