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authorDan Carpenter <dan.carpenter@oracle.com>2013-01-31 11:19:09 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2013-02-13 11:27:58 -0800
commit0e48e7a5a345a727d5fd7a06bd6a9e6a67eae2bd (patch)
treedb0ef8e0367dbe427dcb6f6f984db9d9d60e1111 /drivers/target/iscsi
parent07ea81b6f7d6345e146245c4964640a5a27b5cc5 (diff)
downloadlinux-0e48e7a5a345a727d5fd7a06bd6a9e6a67eae2bd.tar.gz
target: don't truncate the fail intr address
The temporary buffer was only 32 characters but ->last_intr_fail_ip_addr
is a 48 character buffer.  We don't need to use a temporary buffer at
all, we can just print directly to "page".

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/iscsi')
-rw-r--r--drivers/target/iscsi/iscsi_target_stat.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/target/iscsi/iscsi_target_stat.c b/drivers/target/iscsi/iscsi_target_stat.c
index 54a6f3834cf0..464b4206a51e 100644
--- a/drivers/target/iscsi/iscsi_target_stat.c
+++ b/drivers/target/iscsi/iscsi_target_stat.c
@@ -429,16 +429,19 @@ static ssize_t iscsi_stat_tgt_attr_show_attr_fail_intr_addr(
 	struct iscsi_tiqn *tiqn = container_of(igrps,
 			struct iscsi_tiqn, tiqn_stat_grps);
 	struct iscsi_login_stats *lstat = &tiqn->login_stats;
-	unsigned char buf[32];
+	int ret;
 
 	spin_lock(&lstat->lock);
-	if (lstat->last_intr_fail_ip_family == AF_INET6)
-		snprintf(buf, 32, "[%s]", lstat->last_intr_fail_ip_addr);
-	else
-		snprintf(buf, 32, "%s", lstat->last_intr_fail_ip_addr);
+	if (lstat->last_intr_fail_ip_family == AF_INET6) {
+		ret = snprintf(page, PAGE_SIZE, "[%s]\n",
+			       lstat->last_intr_fail_ip_addr);
+	} else {
+		ret = snprintf(page, PAGE_SIZE, "%s\n",
+			       lstat->last_intr_fail_ip_addr);
+	}
 	spin_unlock(&lstat->lock);
 
-	return snprintf(page, PAGE_SIZE, "%s\n", buf);
+	return ret;
 }
 ISCSI_STAT_TGT_ATTR_RO(fail_intr_addr);