scsi: mpi3mr: Return error if dma_alloc_coherent() fails

Return -ENOMEM instead of success if dma_alloc_coherent() fails.

Link: https://lore.kernel.org/r/YnOmMGHqCOtUCYQ1@kili
Fixes: 43ca1100 ("scsi: mpi3mr: Add support for PEL commands")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/mpi3mr/mpi3mr_fw.c

@@ -3754,8 +3754,10 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc)
 		mrioc->pel_seqnum_virt = dma_alloc_coherent(&mrioc->pdev->dev,
 		    mrioc->pel_seqnum_sz, &mrioc->pel_seqnum_dma,
 		    GFP_KERNEL);
-		if (!mrioc->pel_seqnum_virt)
+		if (!mrioc->pel_seqnum_virt) {
+			retval = -ENOMEM;
 			goto out_failed_noretry;
+		}
 	}
 
 	retval = mpi3mr_enable_events(mrioc);
@@ -3873,8 +3875,10 @@ int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume)
 		mrioc->pel_seqnum_virt = dma_alloc_coherent(&mrioc->pdev->dev,
 		    mrioc->pel_seqnum_sz, &mrioc->pel_seqnum_dma,
 		    GFP_KERNEL);
-		if (!mrioc->pel_seqnum_virt)
+		if (!mrioc->pel_seqnum_virt) {
+			retval = -ENOMEM;
 			goto out_failed_noretry;
+		}
 	}
 
 	if (mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q) {