cxgbit: add missing __kfree_skb()
authorVarun Prakash <varun@chelsio.com>
Sun, 23 Jul 2017 14:33:07 +0000 (20:03 +0530)
committerNicholas Bellinger <nab@linux-iscsi.org>
Sun, 30 Jul 2017 22:26:00 +0000 (15:26 -0700)
Call __kfree_skb() after processing skb to avoid
memory leak.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
drivers/target/iscsi/cxgbit/cxgbit_cm.c

index e583dd8a418b537eda69a9606fa8a3fc2c6a6207..d4fa41be80f9a1719574af28c8981ef8e8d287ca 100644 (file)
@@ -1510,11 +1510,13 @@ cxgbit_pass_open_rpl(struct cxgbit_device *cdev, struct sk_buff *skb)
 
        if (!cnp) {
                pr_info("%s stid %d lookup failure\n", __func__, stid);
-               return;
+               goto rel_skb;
        }
 
        cxgbit_wake_up(&cnp->com.wr_wait, __func__, rpl->status);
        cxgbit_put_cnp(cnp);
+rel_skb:
+       __kfree_skb(skb);
 }
 
 static void
@@ -1530,11 +1532,13 @@ cxgbit_close_listsrv_rpl(struct cxgbit_device *cdev, struct sk_buff *skb)
 
        if (!cnp) {
                pr_info("%s stid %d lookup failure\n", __func__, stid);
-               return;
+               goto rel_skb;
        }
 
        cxgbit_wake_up(&cnp->com.wr_wait, __func__, rpl->status);
        cxgbit_put_cnp(cnp);
+rel_skb:
+       __kfree_skb(skb);
 }
 
 static void
@@ -1819,12 +1823,16 @@ static void cxgbit_set_tcb_rpl(struct cxgbit_device *cdev, struct sk_buff *skb)
        struct tid_info *t = lldi->tids;
 
        csk = lookup_tid(t, tid);
-       if (unlikely(!csk))
+       if (unlikely(!csk)) {
                pr_err("can't find connection for tid %u.\n", tid);
-       else
+               goto rel_skb;
+       } else {
                cxgbit_wake_up(&csk->com.wr_wait, __func__, rpl->status);
+       }
 
        cxgbit_put_csk(csk);
+rel_skb:
+       __kfree_skb(skb);
 }
 
 static void cxgbit_rx_data(struct cxgbit_device *cdev, struct sk_buff *skb)