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authorChris Metcalf <cmetcalf@tilera.com>2010-08-06 10:37:02 -0400
committerChris Metcalf <cmetcalf@tilera.com>2010-08-06 10:37:02 -0400
commitab11b487402f97975f3ac1eeea09c82f4431481e (patch)
tree86337c5cbbd2b0c4bd07c0847a1dc7de3d898147 /drivers/isdn/i4l/isdn_ppp.c
parent1c689cbcf2c2b7a35cd237abddd9206bb1b6fee1 (diff)
parentfc1caf6eafb30ea185720e29f7f5eccca61ecd60 (diff)
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/isdn/i4l/isdn_ppp.c')
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index f37b8f68d0a..fe824e0cbb2 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -449,14 +449,9 @@ static int get_filter(void __user *arg, struct sock_filter **p)
/* uprog.len is unsigned short, so no overflow here */
len = uprog.len * sizeof(struct sock_filter);
- code = kmalloc(len, GFP_KERNEL);
- if (code == NULL)
- return -ENOMEM;
-
- if (copy_from_user(code, uprog.filter, len)) {
- kfree(code);
- return -EFAULT;
- }
+ code = memdup_user(uprog.filter, len);
+ if (IS_ERR(code))
+ return PTR_ERR(code);
err = sk_chk_filter(code, uprog.len);
if (err) {
@@ -482,7 +477,7 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg)
struct isdn_ppp_comp_data data;
void __user *argp = (void __user *)arg;
- is = (struct ippp_struct *) file->private_data;
+ is = file->private_data;
lp = is->lp;
if (is->debug & 0x1)