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Subject[PATCH 3.16 019/328] scsi: target/iscsi: Make iscsit_ta_authentication() respect the output buffer size
3.16.62-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Bart Van Assche <bart.vanassche@wdc.com>

commit 35bea5c84fd13c643cce63f0b5cd4b148f8c901d upstream.

Fixes: e48354ce078c ("iscsi-target: Add iSCSI fabric support for target v4.1")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Mike Christie <mchristi@redhat.com>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/target/iscsi/iscsi_target_tpg.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -652,8 +652,7 @@ int iscsit_ta_authentication(struct iscs
none = strstr(buf1, NONE);
if (none)
goto out;
- strncat(buf1, ",", strlen(","));
- strncat(buf1, NONE, strlen(NONE));
+ strlcat(buf1, "," NONE, sizeof(buf1));
if (iscsi_update_param_value(param, buf1) < 0)
return -EINVAL;
}
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