From: "tang.junhui" <tang.jun...@zte.com.cn>

buff should be freed before returning with SCSI_DH_RETRY in alua_rtpg().

Signed-off-by: tang.junhui <tang.jun...@zte.com.cn>
---
 drivers/scsi/device_handler/scsi_dh_alua.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c 
b/drivers/scsi/device_handler/scsi_dh_alua.c
index 752b5c9..241829e 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -583,6 +583,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct 
alua_port_group *pg)
                        sdev_printk(KERN_ERR, sdev, "%s: rtpg retry\n",
                                    ALUA_DH_NAME);
                        scsi_print_sense_hdr(sdev, ALUA_DH_NAME, &sense_hdr);
+                       kfree(buff);
                        return err;
                }
                sdev_printk(KERN_ERR, sdev, "%s: rtpg failed\n",
-- 
2.8.1.windows.1

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