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block/iscsi: dont leave allocmap in an invalid state on UNMAP failure

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we forgot to set the allocmap to invalid if an UNMAP call fails.

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Lieven <pl@kamp.de>
Message-Id: <1512733868-9009-2-git-send-email-pl@kamp.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Lieven 2017-12-08 12:51:07 +01:00 committed by Paolo Bonzini
parent 87a621d857
commit aef172ffdc
1 changed files with 4 additions and 4 deletions
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8
block/iscsi.c
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@ -2,7 +2,7 @@
* QEMU Block driver for iSCSI images
*
* Copyright (c) 2010-2011 Ronnie Sahlberg <ronniesahlberg@gmail.com>
* Copyright (c) 2012-2016 Peter Lieven <pl@kamp.de>
* Copyright (c) 2012-2017 Peter Lieven <pl@kamp.de>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@ -1128,6 +1128,9 @@ retry:
goto retry;
}
iscsi_allocmap_set_invalid(iscsilun, offset >> BDRV_SECTOR_BITS,
bytes >> BDRV_SECTOR_BITS);
if (iTask.status == SCSI_STATUS_CHECK_CONDITION) {
/* the target might fail with a check condition if it
is not happy with the alignment of the UNMAP request
@ -1140,9 +1143,6 @@ retry:
goto out_unlock;
}
iscsi_allocmap_set_invalid(iscsilun, offset >> BDRV_SECTOR_BITS,
bytes >> BDRV_SECTOR_BITS);
out_unlock:
qemu_mutex_unlock(&iscsilun->mutex);
return r;