Re: [PATCH] scsi_dh_alua: fix meory leak in alua_rtpg()

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On 09/18/2016 03:05 AM, tang.junhui@xxxxxxxxxx wrote:
From: "tang.junhui" <tang.junhui@xxxxxxxxxx>

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

Signed-off-by: tang.junhui <tang.junhui@xxxxxxxxxx>
---
 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",


That's a good catch, but please cc stable for this patch. Anyway:

Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
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