Make netfs_put_request() just return if given a NULL request pointer. Signed-off-by: David Howells <dhowells@xxxxxxxxxx> cc: Jeff Layton <jlayton@xxxxxxxxxx> cc: linux-cachefs@xxxxxxxxxx cc: linux-fsdevel@xxxxxxxxxxxxxxx cc: linux-mm@xxxxxxxxx --- fs/netfs/objects.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/fs/netfs/objects.c b/fs/netfs/objects.c index 30ec42566966..7a78c1665bc9 100644 --- a/fs/netfs/objects.c +++ b/fs/netfs/objects.c @@ -111,19 +111,22 @@ 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; - dead = __refcount_dec_and_test(&rreq->ref, &r); - trace_netfs_rreq_ref(debug_id, r - 1, what); - if (dead) { - if (was_async) { - rreq->work.func = netfs_free_request; - if (!queue_work(system_unbound_wq, &rreq->work)) - BUG(); - } else { - netfs_free_request(&rreq->work); + 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) { + if (was_async) { + rreq->work.func = netfs_free_request; + if (!queue_work(system_unbound_wq, &rreq->work)) + BUG(); + } else { + netfs_free_request(&rreq->work); + } } } } -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/linux-cachefs