diff options
| -rw-r--r-- | drivers/s390/char/tape_3590.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index d3d1936057b4..e352047ed9f7 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -312,15 +312,10 @@ static int tape_3592_ioctl_kekl_set(struct tape_device *device, return -ENOSYS; if (!crypt_enabled(device)) return -EUNATCH; - ext_kekls = kmalloc(sizeof(*ext_kekls), GFP_KERNEL); - if (!ext_kekls) - return -ENOMEM; - if (copy_from_user(ext_kekls, (char __user *)arg, sizeof(*ext_kekls))) { - rc = -EFAULT; - goto out; - } + ext_kekls = memdup_user((char __user *)arg, sizeof(*ext_kekls)); + if (IS_ERR(ext_kekls)) + return PTR_ERR(ext_kekls); rc = tape_3592_kekl_set(device, ext_kekls); -out: kfree(ext_kekls); return rc; } |