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iscsi: fix missing unlock 

Reported by Coverity.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-03-03 16:23:36 +01:00
parent 377a07aa0d
commit f6eb0b319e
1 changed files with 4 additions and 0 deletions
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4
block/iscsi.c
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@ -637,6 +637,7 @@ retry:
}
#endif
if (iTask.task == NULL) {
qemu_mutex_unlock(&iscsilun->mutex);
return -ENOMEM;
}
#if LIBISCSI_API_VERSION < (20160603)
@ -864,6 +865,7 @@ retry:
}
#endif
if (iTask.task == NULL) {
qemu_mutex_unlock(&iscsilun->mutex);
return -ENOMEM;
}
#if LIBISCSI_API_VERSION < (20160603)
@ -904,6 +906,7 @@ static int coroutine_fn iscsi_co_flush(BlockDriverState *bs)
retry:
if (iscsi_synchronizecache10_task(iscsilun->iscsi, iscsilun->lun, 0, 0, 0,
0, iscsi_co_generic_cb, &iTask) == NULL) {
qemu_mutex_unlock(&iscsilun->mutex);
return -ENOMEM;
}
@ -1237,6 +1240,7 @@ retry:
0, 0, iscsi_co_generic_cb, &iTask);
}
if (iTask.task == NULL) {
qemu_mutex_unlock(&iscsilun->mutex);
return -ENOMEM;
}