Function gfs2_freeze_func causes a deadlock，because sd_freeze_mutex was
not released when return
Signed-off-by: Li Dong <lid...@vivo.com>
---
fs/gfs2/super.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -741,8 +741,10 @@ void gfs2_freeze_func(struct work_struct *work)
set_bit(SDF_FROZEN, &sdp->sd_flags);
error = gfs2_do_thaw(sdp);
- if (error)
+ if (error) {
+ mutex_unlock(&sdp->sd_freeze_mutex);
goto out;
+ }
clear_bit(SDF_FROZEN, &sdp->sd_flags);
--
2.31.1.windows.1
