5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Mikulas Patocka <mpatocka@xxxxxxxxxx>
[ Upstream commit 1e1fd567d32fcf7544c6e09e0e5bc6c650da6e23 ]
This commit changes device mapper, so that it returns -ERESTARTSYS
instead of -EINTR when it is interrupted by a signal (so that the ioctl
can be restarted).
The manpage signal(7) says that the ioctl function should be restarted if
the signal was handled with SA_RESTART.
Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/md/dm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index f6f5b68a6950b..3d00bb98d702b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2432,7 +2432,7 @@ static int dm_wait_for_bios_completion(struct mapped_device *md, long task_state
break;
if (signal_pending_state(task_state, current)) {
- r = -EINTR;
+ r = -ERESTARTSYS;
break;
}
@@ -2457,7 +2457,7 @@ static int dm_wait_for_completion(struct mapped_device *md, long task_state)
break;
if (signal_pending_state(task_state, current)) {
- r = -EINTR;
+ r = -ERESTARTSYS;
break;
}
--
2.43.0
