[PPP] fix memory leak in ioctl error path

74c0f4d0 · Patrick McHardy · David S. Miller · 6890c8f3 · 74c0f4d0
Commit 74c0f4d0 authored May 31, 2003 by Patrick McHardy Committed by David S. Miller May 31, 2003
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drivers/net/ppp_generic.c drivers/net/ppp_generic.c +3 -1

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--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -682,8 +682,10 @@ static int ppp_ioctl(struct inode *inode, struct file *file,
 			if (code == 0)
 				break;
 			err = -EFAULT;
-			if (copy_from_user(code, uprog.filter, len))
+			if (copy_from_user(code, uprog.filter, len)) {
+				kfree(code);
 				break;
+			}
 			err = sk_chk_filter(code, uprog.len);
 			if (err) {
 				kfree(code);