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Diffstat (limited to 'net/ipv6/ipv6_sockglue.c')
-rw-r--r--net/ipv6/ipv6_sockglue.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index a531ba032b85..02d795fe3d7f 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -505,7 +505,7 @@ sticky_done:
break;
memset(opt, 0, sizeof(*opt));
- atomic_set(&opt->refcnt, 1);
+ refcount_set(&opt->refcnt, 1);
opt->tot_len = sizeof(*opt) + optlen;
retv = -EFAULT;
if (copy_from_user(opt+1, optval, optlen))
@@ -735,14 +735,9 @@ done:
retv = -ENOBUFS;
break;
}
- gsf = kmalloc(optlen, GFP_KERNEL);
- if (!gsf) {
- retv = -ENOBUFS;
- break;
- }
- retv = -EFAULT;
- if (copy_from_user(gsf, optval, optlen)) {
- kfree(gsf);
+ gsf = memdup_user(optval, optlen);
+ if (IS_ERR(gsf)) {
+ retv = PTR_ERR(gsf);
break;
}
/* numsrc >= (4G-140)/128 overflow in 32 bits */