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 <namhyung@gmail.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 1 insertions, 1 deletions

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);