On Thu, 2017-02-16 at 19:43 +0200, Sagi Grimberg wrote:
> Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
> ---
> drivers/target/iscsi/iscsi_target_configfs.c | 46 ++++++++--------------------
> 1 file changed, 12 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
> index bf40f03755dd..f30c27b83c5e 100644
> --- a/drivers/target/iscsi/iscsi_target_configfs.c
> +++ b/drivers/target/iscsi/iscsi_target_configfs.c
> @@ -167,10 +167,7 @@ static struct se_tpg_np *lio_target_call_addnptotpg(
> struct iscsi_portal_group *tpg;
> struct iscsi_tpg_np *tpg_np;
> char *str, *str2, *ip_str, *port_str;
> - struct sockaddr_storage sockaddr;
> - struct sockaddr_in *sock_in;
> - struct sockaddr_in6 *sock_in6;
> - unsigned long port;
> + struct sockaddr_storage sockaddr = { };
> int ret;
> char buf[MAX_PORTAL_LEN + 1];
>
> @@ -182,21 +179,19 @@ static struct se_tpg_np *lio_target_call_addnptotpg(
> memset(buf, 0, MAX_PORTAL_LEN + 1);
> snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name);
>
> - memset(&sockaddr, 0, sizeof(struct sockaddr_storage));
> -
> str = strstr(buf, "[");
> if (str) {
> - const char *end;
> -
> str2 = strstr(str, "]");
> if (!str2) {
> pr_err("Unable to locate trailing \"]\""
> " in IPv6 iSCSI network portal address\n");
> return ERR_PTR(-EINVAL);
> }
> - str++; /* Skip over leading "[" */
> +
> + ip_str = str + 1; /* Skip over leading "[" */
> *str2 = '\0'; /* Terminate the unbracketed IPv6 address */
> str2++; /* Skip over the \0 */
> +
> port_str = strstr(str2, ":");
> if (!port_str) {
> pr_err("Unable to locate \":port\""
> @@ -205,23 +200,8 @@ static struct se_tpg_np *lio_target_call_addnptotpg(
> }
> *port_str = '\0'; /* Terminate string for IP */
> port_str++; /* Skip over ":" */
> -
> - ret = kstrtoul(port_str, 0, &port);
> - if (ret < 0) {
> - pr_err("kstrtoul() failed for port_str: %d\n", ret);
> - return ERR_PTR(ret);
> - }
> - sock_in6 = (struct sockaddr_in6 *)&sockaddr;
> - sock_in6->sin6_family = AF_INET6;
> - sock_in6->sin6_port = htons((unsigned short)port);
> - ret = in6_pton(str, -1,
> - (void *)&sock_in6->sin6_addr.in6_u, -1, &end);
> - if (ret <= 0) {
> - pr_err("in6_pton returned: %d\n", ret);
> - return ERR_PTR(-EINVAL);
> - }
> } else {
> - str = ip_str = &buf[0];
> + ip_str = &buf[0];
> port_str = strstr(ip_str, ":");
> if (!port_str) {
> pr_err("Unable to locate \":port\""
> @@ -230,17 +210,15 @@ static struct se_tpg_np *lio_target_call_addnptotpg(
> }
> *port_str = '\0'; /* Terminate string for IP */
> port_str++; /* Skip over ":" */
> + }
>
> - ret = kstrtoul(port_str, 0, &port);
> - if (ret < 0) {
> - pr_err("kstrtoul() failed for port_str: %d\n", ret);
> - return ERR_PTR(ret);
> - }
> - sock_in = (struct sockaddr_in *)&sockaddr;
> - sock_in->sin_family = AF_INET;
> - sock_in->sin_port = htons((unsigned short)port);
> - sock_in->sin_addr.s_addr = in_aton(ip_str);
> + ret = inet_pton_with_scope(&init_net, AF_UNSPEC, ip_str,
> + port_str, &sockaddr);
> + if (ret) {
> + pr_err("malformed ip/port passed: %s\n", name);
> + return ERR_PTR(ret);
> }
> +
> tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg);
> ret = iscsit_get_tpg(tpg);
> if (ret < 0)
A nice cleanup.
Acked-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
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