Evolution-X-Devices/kernel_realme_sm7125
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dm suspend: return -ERESTARTSYS instead of -EINTR

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commit 1e1fd567d32fcf7544c6e09e0e5bc6c650da6e23 upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit ac7f3b1e424f2f38e81d27d7e1ecb30dcd9dd651)
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
This commit is contained in:
Mikulas Patocka
2024-08-13 12:38:51 +02:00
committed by theshaenix
parent 84db0dd48f
commit 16f76c652f
1 changed files with 1 additions and 1 deletions
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drivers/md/dm.c
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@@ -2396,7 +2396,7 @@ 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;
}