commit 3d6770fbd9353988839611bab107e4e891506aad
author Jens Axboe <axboe@kernel.dk> Sat Apr 13 11:50:54 2019 -0600
committer Jens Axboe <axboe@kernel.dk> Sat Apr 13 19:08:22 2019 -0600
tree 5269b98bee6e45d1230a59454b97fec30cb64b6a
parent 77f1e0a52d26242b6c2dba019f6ebebfb9ff701e

io_uring: drop io_file_put() 'file' argument

Since the fget/fput handling was reworked in commit 09bb839434bd, we
never call io_file_put() with state == NULL (and hence file != NULL)
anymore. Remove that case.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

fs/io_uring.c

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 24355e0..f4ddb9d 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -682,11 +682,9 @@
 		list_add_tail(&req->list, &ctx->poll_list);
 }
 
-static void io_file_put(struct io_submit_state *state, struct file *file)
+static void io_file_put(struct io_submit_state *state)
 {
-	if (!state) {
-		fput(file);
-	} else if (state->file) {
+	if (state->file) {
 		int diff = state->has_refs - state->used_refs;
 
 		if (diff)
@@ -711,7 +709,7 @@
 			state->ios_left--;
 			return state->file;
 		}
-		io_file_put(state, NULL);
+		io_file_put(state);
 	}
 	state->file = fget_many(fd, state->ios_left);
 	if (!state->file)
@@ -1671,7 +1669,7 @@
 static void io_submit_state_end(struct io_submit_state *state)
 {
 	blk_finish_plug(&state->plug);
-	io_file_put(state, NULL);
+	io_file_put(state);
 	if (state->free_reqs)
 		kmem_cache_free_bulk(req_cachep, state->free_reqs,
 					&state->reqs[state->cur_req]);