diff options
author | Herbert Poetzl <herbert@13thfloor.at> | 2006-03-26 04:37:30 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-26 11:56:57 -0500 |
commit | 3e88c17d404c5787afd5bd1763380317f5ccbf84 (patch) | |
tree | 913f04bd00842b2b45ec2ead7ab93d16c037465b | |
parent | 22e6c1b39c648850438decd491f62d311800c7db (diff) |
[PATCH] loop: potential kernel hang waiting for kthread
Check that kernel_thread() succeeded, so we don't wait for something which
cannot happen.
Signed-off-by: Herbert Poetzl <herbert@13thfloor.at>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r-- | drivers/block/loop.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 74bf0255e98f..9c3b94e8f03b 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c | |||
@@ -839,7 +839,9 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file, | |||
839 | 839 | ||
840 | set_blocksize(bdev, lo_blocksize); | 840 | set_blocksize(bdev, lo_blocksize); |
841 | 841 | ||
842 | kernel_thread(loop_thread, lo, CLONE_KERNEL); | 842 | error = kernel_thread(loop_thread, lo, CLONE_KERNEL); |
843 | if (error < 0) | ||
844 | goto out_putf; | ||
843 | wait_for_completion(&lo->lo_done); | 845 | wait_for_completion(&lo->lo_done); |
844 | return 0; | 846 | return 0; |
845 | 847 | ||