Add check for the return value of alloc_ordered_workqueue() in esas2r_init_adapter() to catch potential exception.
Fixes: 4cb1b41a5ee4 ("scsi: esas2r: Simplify an alloc_ordered_workqueue() invocation") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li haoxiang_li2024@163.com --- drivers/scsi/esas2r/esas2r_init.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c index 0cea5f3d1a08..48bb8aaf9df4 100644 --- a/drivers/scsi/esas2r/esas2r_init.c +++ b/drivers/scsi/esas2r/esas2r_init.c @@ -314,6 +314,11 @@ int esas2r_init_adapter(struct Scsi_Host *host, struct pci_dev *pcid, a->fw_event_q = alloc_ordered_workqueue("esas2r/%d", WQ_MEM_RECLAIM, a->index);
+ if (!a->fw_event_q) { + esas2r_log(ESAS2R_LOG_CRIT, "failed to create work queue\n"); + esas2r_kill_adapter(index); + return 0; + } init_waitqueue_head(&a->buffered_ioctl_waiter); init_waitqueue_head(&a->nvram_waiter); init_waitqueue_head(&a->fm_api_waiter);