scsi: lpfc: Fix possible memory leak when failing to issue CMF WQE

There is no corresponding free routine if lpfc_sli4_issue_wqe fails to issue the CMF WQE in lpfc_issue_cmf_sync_wqe. If ret_val is non-zero, then free the iocbq request structure. Link: https://lore.kernel.org/r/[email protected] Co-developed-by: Justin Tee <[email protected]> Signed-off-by: Justin Tee <[email protected]> Signed-off-by: James Smart <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
zandrey · Jul 7, 2022 · 2f67dc7 · 2f67dc7
1 parent 0948a9c
commit 2f67dc7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2003,10 +2003,12 @@ lpfc_issue_cmf_sync_wqe(struct lpfc_hba *phba, u32 ms, u64 total)
 
 	sync_buf->cmd_flag |= LPFC_IO_CMF;
 	ret_val = lpfc_sli4_issue_wqe(phba, &phba->sli4_hba.hdwq[0], sync_buf);
-	if (ret_val)
+	if (ret_val) {
 		lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT,
 				"6214 Cannot issue CMF_SYNC_WQE: x%x\n",
 				ret_val);
+		__lpfc_sli_release_iocbq(phba, sync_buf);
+	}
 out_unlock:
 	spin_unlock_irqrestore(&phba->hbalock, iflags);
 	return ret_val;