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dm suspend: return -ERESTARTSYS instead of -EINTR

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[ Upstream commit 1e1fd567d3 ]

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@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mikulas Patocka 2024-08-13 12:38:51 +02:00 committed by Greg Kroah-Hartman
parent 84557cd611
commit 00b395e95a
1 changed files with 2 additions and 2 deletions
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4
drivers/md/dm.c
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@ -2531,7 +2531,7 @@ static int dm_wait_for_bios_completion(struct mapped_device *md, unsigned int ta
break; break;
if (signal_pending_state(task_state, current)) { if (signal_pending_state(task_state, current)) {
r = -EINTR; r = -ERESTARTSYS;
break; break;
} }
@ -2556,7 +2556,7 @@ static int dm_wait_for_completion(struct mapped_device *md, unsigned int task_st
break; break;
if (signal_pending_state(task_state, current)) { if (signal_pending_state(task_state, current)) {
r = -EINTR; r = -ERESTARTSYS;
break; break;
} }