From 80ceb057135ad77f513277f3bcd04b885501877a Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 20 Jun 2011 13:27:44 +0200 Subject: bsg: fix bsg_poll() to return POLLOUT properly POLLOUT should be returned only if bd->queued_cmds < bd->max_queue so that bsg_alloc_command() can proceed. Signed-off-by: Namhyung Kim Acked-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- block/bsg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/bsg.c b/block/bsg.c index 0c8b64a16484..c4f49e255751 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -878,7 +878,7 @@ static unsigned int bsg_poll(struct file *file, poll_table *wait) spin_lock_irq(&bd->lock); if (!list_empty(&bd->done_list)) mask |= POLLIN | POLLRDNORM; - if (bd->queued_cmds >= bd->max_queue) + if (bd->queued_cmds < bd->max_queue) mask |= POLLOUT; spin_unlock_irq(&bd->lock); -- cgit v1.2.3