ncpfs: use memdup_user()

[pandora-kernel.git] / fs / ncpfs / ioctl.c

diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 6d04e05..fa038df 100644 (file)
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -98,7 +98,7 @@ struct compat_ncp_objectname_ioctl
 {
        s32             auth_type;
        u32             object_name_len;
-       compat_caddr_t  object_name;    /* an userspace data, in most cases user name */
+       compat_caddr_t  object_name;    /* a userspace data, in most cases user name */
 };
 
 struct compat_ncp_fs_info_v2 {
@@ -660,13 +660,10 @@ outrel:
                        if (user.object_name_len > NCP_OBJECT_NAME_MAX_LEN)
                                return -ENOMEM;
                        if (user.object_name_len) {
-                               newname = kmalloc(user.object_name_len, GFP_USER);
-                               if (!newname)
-                                       return -ENOMEM;
-                               if (copy_from_user(newname, user.object_name, user.object_name_len)) {
-                                       kfree(newname);
-                                       return -EFAULT;
-                               }
+                               newname = memdup_user(user.object_name,
+                                                     user.object_name_len);
+                               if (IS_ERR(newname))
+                                       return PTR_ERR(newname);
                        } else {
                                newname = NULL;
                        }
@@ -760,13 +757,9 @@ outrel:
                        if (user.len > NCP_PRIVATE_DATA_MAX_LEN)
                                return -ENOMEM;
                        if (user.len) {
-                               new = kmalloc(user.len, GFP_USER);
-                               if (!new)
-                                       return -ENOMEM;
-                               if (copy_from_user(new, user.data, user.len)) {
-                                       kfree(new);
-                                       return -EFAULT;
-                               }
+                               new = memdup_user(user.data, user.len);
+                               if (IS_ERR(new))
+                                       return PTR_ERR(new);
                        } else {
                                new = NULL;
                        }