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scsi: scsi_dh_alua: Fix memory leak in alua_rtpg()
buff should be freed before returning with SCSI_DH_RETRY in alua_rtpg(). Signed-off-by: tang.junhui <tang.junhui@zte.com.cn> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -583,6 +583,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
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sdev_printk(KERN_ERR, sdev, "%s: rtpg retry\n",
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ALUA_DH_NAME);
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scsi_print_sense_hdr(sdev, ALUA_DH_NAME, &sense_hdr);
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kfree(buff);
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return err;
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}
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sdev_printk(KERN_ERR, sdev, "%s: rtpg failed\n",
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