diff options
| author | Hannes Reinecke <hare@suse.de> | 2013-01-30 10:26:17 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-07-01 17:31:23 +0200 |
| commit | 80bd7181b036c7b4118eb19cfff3b555889596e6 (patch) | |
| tree | 455e4df7bef9ebc9cfbddb1a5936fa1f1cfeeee5 /block/blk-timeout.c | |
| parent | block/dasd: detailed I/O errors (diff) | |
| download | linux-80bd7181b036c7b4118eb19cfff3b555889596e6.tar.xz linux-80bd7181b036c7b4118eb19cfff3b555889596e6.zip | |
block: check for timeout function in blk_rq_timed_out()
rq_timed_out_fn might have been unset while the request
was in flight, so we need to check for it in blk_rq_timed_out().
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | block/blk-timeout.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-timeout.c b/block/blk-timeout.c index 6e4744cbfb56..65f103563969 100644 --- a/block/blk-timeout.c +++ b/block/blk-timeout.c @@ -82,9 +82,10 @@ void blk_delete_timer(struct request *req) static void blk_rq_timed_out(struct request *req) { struct request_queue *q = req->q; - enum blk_eh_timer_return ret; + enum blk_eh_timer_return ret = BLK_EH_RESET_TIMER; - ret = q->rq_timed_out_fn(req); + if (q->rq_timed_out_fn) + ret = q->rq_timed_out_fn(req); switch (ret) { case BLK_EH_HANDLED: __blk_complete_request(req); |