diff options
| -rw-r--r-- | security/selinux/selinuxfs.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 50062e70140d..0940892de84d 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -656,14 +656,12 @@ static ssize_t sel_write_validatetrans(struct file *file, if (*ppos != 0) goto out; - rc = -ENOMEM; - req = kzalloc(count + 1, GFP_KERNEL); - if (!req) - goto out; - - rc = -EFAULT; - if (copy_from_user(req, buf, count)) + req = memdup_user_nul(buf, count); + if (IS_ERR(req)) { + rc = PTR_ERR(req); + req = NULL; goto out; + } rc = -ENOMEM; oldcon = kzalloc(count + 1, GFP_KERNEL); |