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ibmvscsis: Clear left-over abort_cmd pointers

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With the addition of ibmvscsis->abort_cmd pointer within
commit 25e7853126 ("ibmvscsis: Do not send aborted task response"),
make sure to explicitly NULL these pointers when clearing
DELAY_SEND flag.

Do this for two cases, when getting the new new ibmvscsis
descriptor in ibmvscsis_get_free_cmd() and before posting
the response completion in ibmvscsis_send_messages().

Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Reviewed-by: Michael Cyr <mikecyr@linux.vnet.ibm.com>
Cc: <stable@vger.kernel.org> # v4.8+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Bryant G. Ly 2017-05-09 11:50:26 -05:00 committed by Nicholas Bellinger
parent 2ea659a9ef
commit 98883f1b54
1 changed files with 3 additions and 0 deletions
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3
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
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@ -1170,6 +1170,8 @@ static struct ibmvscsis_cmd *ibmvscsis_get_free_cmd(struct scsi_info *vscsi)
cmd = list_first_entry_or_null(&vscsi->free_cmd,
struct ibmvscsis_cmd, list);
if (cmd) {
if (cmd->abort_cmd)
cmd->abort_cmd = NULL;
cmd->flags &= ~(DELAY_SEND);
list_del(&cmd->list);
cmd->iue = iue;
@ -1774,6 +1776,7 @@ static void ibmvscsis_send_messages(struct scsi_info *vscsi)
if (cmd->abort_cmd) {
retry = true;
cmd->abort_cmd->flags &= ~(DELAY_SEND);
cmd->abort_cmd = NULL;
}
/*