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scsi: qla2xxx: Fix crash in qla2xxx_eh_abort on bad ptr

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commit 5f7c2beef8 upstream.

After a Qlogic card breaks when initializing (test case), the system can
crash in qla2xxx_eh_abort if processing anything but a scsi command type
srb.

Fixes: 1535aa75a3 ("scsi: qla2xxx: fix invalid DMA access after command aborts in PCI device remove")
Signed-off-by: Bill Kuzeja <william.kuzeja@stratus.com>
Acked-By: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bill Kuzeja
2017-03-14 13:28:44 -04:00
committed by Greg Kroah-Hartman
parent 71fd9a94bd
commit 76aa65a2c0
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/qla2xxx/qla_os.c
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@@ -1464,7 +1464,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
/* Don't abort commands in adapter during EEH
* recovery as it's not accessible/responding.
*/
if (GET_CMD_SP(sp) && !ha->flags.eeh_busy) {
if (GET_CMD_SP(sp) && !ha->flags.eeh_busy &&
(sp->type == SRB_SCSI_CMD)) {
/* Get a reference to the sp and drop the lock.
* The reference ensures this sp->done() call
* - and not the call in qla2xxx_eh_abort() -