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authorIlya Dryomov <idryomov@gmail.com>2013-11-03 21:06:40 +0400
committerChris Mason <chris.mason@fusionio.com>2013-11-21 05:42:11 +0400
commitba69994a40b242bef26ab2683ea84aa29e2e429f (patch)
tree9a2b0597ce5668821472606355f41cee8fd10f05 /fs/btrfs/async-thread.c
parent908960c6c0fb3b3ce3971dc0ca47b581d256b968 (diff)
downloadlinux-ba69994a40b242bef26ab2683ea84aa29e2e429f.tar.xz
Btrfs: fix __btrfs_start_workers retval
__btrfs_start_workers returns 0 in case it raced with btrfs_stop_workers and lost the race. This is wrong because worker in this case is not allowed to start and is in fact destroyed. Return -EINVAL instead. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/async-thread.c')
-rw-r--r--fs/btrfs/async-thread.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index 8aec751fa464..c1e0b0caf9cc 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -495,6 +495,7 @@ static int __btrfs_start_workers(struct btrfs_workers *workers)
spin_lock_irq(&workers->lock);
if (workers->stopping) {
spin_unlock_irq(&workers->lock);
+ ret = -EINVAL;
goto fail_kthread;
}
list_add_tail(&worker->worker_list, &workers->idle_list);