dpll: Fix potential msg memleak when genlmsg_put_reply failed
We should clean the skb resource if genlmsg_put_reply failed.
Fixes: 9d71b54b65
("dpll: netlink: Add DPLL framework base functions")
Signed-off-by: Hao Ge <gehao@kylinos.cn>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://lore.kernel.org/r/20231121013709.73323-1-gehao@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -1093,9 +1093,10 @@ int dpll_nl_pin_id_get_doit(struct sk_buff *skb, struct genl_info *info)
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return -ENOMEM;
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hdr = genlmsg_put_reply(msg, info, &dpll_nl_family, 0,
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DPLL_CMD_PIN_ID_GET);
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if (!hdr)
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if (!hdr) {
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nlmsg_free(msg);
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return -EMSGSIZE;
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}
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pin = dpll_pin_find_from_nlattr(info);
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if (!IS_ERR(pin)) {
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ret = dpll_msg_add_pin_handle(msg, pin);
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@ -1123,8 +1124,10 @@ int dpll_nl_pin_get_doit(struct sk_buff *skb, struct genl_info *info)
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return -ENOMEM;
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hdr = genlmsg_put_reply(msg, info, &dpll_nl_family, 0,
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DPLL_CMD_PIN_GET);
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if (!hdr)
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if (!hdr) {
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nlmsg_free(msg);
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return -EMSGSIZE;
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}
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ret = dpll_cmd_pin_get_one(msg, pin, info->extack);
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if (ret) {
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nlmsg_free(msg);
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@ -1256,8 +1259,10 @@ int dpll_nl_device_id_get_doit(struct sk_buff *skb, struct genl_info *info)
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return -ENOMEM;
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hdr = genlmsg_put_reply(msg, info, &dpll_nl_family, 0,
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DPLL_CMD_DEVICE_ID_GET);
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if (!hdr)
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if (!hdr) {
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nlmsg_free(msg);
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return -EMSGSIZE;
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}
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dpll = dpll_device_find_from_nlattr(info);
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if (!IS_ERR(dpll)) {
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@ -1284,8 +1289,10 @@ int dpll_nl_device_get_doit(struct sk_buff *skb, struct genl_info *info)
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return -ENOMEM;
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hdr = genlmsg_put_reply(msg, info, &dpll_nl_family, 0,
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DPLL_CMD_DEVICE_GET);
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if (!hdr)
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if (!hdr) {
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nlmsg_free(msg);
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return -EMSGSIZE;
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}
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ret = dpll_device_get_one(dpll, msg, info->extack);
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if (ret) {
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