scsi: qla2xxx: Fix smatch warning in qla25xx_delete_{rsp|req}_que
authorHimanshu Madhani <himanshu.madhani@cavium.com>
Sun, 17 Dec 2017 00:05:09 +0000 (16:05 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 21 Dec 2017 02:11:52 +0000 (21:11 -0500)
This patch fixes following warnings reported by smatch:

drivers/scsi/qla2xxx/qla_mid.c:586 qla25xx_delete_req_que()
error: we previously assumed 'req' could be null (see line 580)

drivers/scsi/qla2xxx/qla_mid.c:602 qla25xx_delete_rsp_que()
error: we previously assumed 'rsp' could be null (see line 596)

Fixes: 7867b98dceb7 ("scsi: qla2xxx: Fix memory leak in dual/target mode")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/qla2xxx/qla_mid.c

index e538e63..522d585 100644 (file)
@@ -582,8 +582,9 @@ qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req)
                ret = qla25xx_init_req_que(vha, req);
                if (ret != QLA_SUCCESS)
                        return QLA_FUNCTION_FAILED;
+
+               qla25xx_free_req_que(vha, req);
        }
-       qla25xx_free_req_que(vha, req);
 
        return ret;
 }
@@ -598,8 +599,9 @@ qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
                ret = qla25xx_init_rsp_que(vha, rsp);
                if (ret != QLA_SUCCESS)
                        return QLA_FUNCTION_FAILED;
+
+               qla25xx_free_rsp_que(vha, rsp);
        }
-       qla25xx_free_rsp_que(vha, rsp);
 
        return ret;
 }