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Diffstat (limited to 'net/ipv4/tcp_probe.c')
-rw-r--r--net/ipv4/tcp_probe.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index d7d517a3a23..dab37d2f65f 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -114,7 +114,7 @@ static int tcpprobe_open(struct inode * inode, struct file * file)
static ssize_t tcpprobe_read(struct file *file, char __user *buf,
size_t len, loff_t *ppos)
{
- int error = 0, cnt;
+ int error = 0, cnt = 0;
unsigned char *tbuf;
if (!buf || len < 0)
@@ -130,11 +130,12 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
error = wait_event_interruptible(tcpw.wait,
__kfifo_len(tcpw.fifo) != 0);
if (error)
- return error;
+ goto out_free;
cnt = kfifo_get(tcpw.fifo, tbuf, len);
error = copy_to_user(buf, tbuf, cnt);
+out_free:
vfree(tbuf);
return error ? error : cnt;