saner calling conventions for copy_mount_options()
let it just return NULL, pointer to kernel copy or ERR_PTR().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/compat.c b/fs/compat.c
index 6fd272d..a71936a 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -792,7 +792,7 @@
const void __user *, data)
{
char *kernel_type;
- unsigned long data_page;
+ void *options;
char *kernel_dev;
int retval;
@@ -806,26 +806,25 @@
if (IS_ERR(kernel_dev))
goto out1;
- retval = copy_mount_options(data, &data_page);
- if (retval < 0)
+ options = copy_mount_options(data);
+ retval = PTR_ERR(options);
+ if (IS_ERR(options))
goto out2;
- retval = -EINVAL;
-
- if (kernel_type && data_page) {
+ if (kernel_type && options) {
if (!strcmp(kernel_type, NCPFS_NAME)) {
- do_ncp_super_data_conv((void *)data_page);
+ do_ncp_super_data_conv(options);
} else if (!strcmp(kernel_type, NFS4_NAME)) {
- if (do_nfs4_super_data_conv((void *) data_page))
+ retval = -EINVAL;
+ if (do_nfs4_super_data_conv(options))
goto out3;
}
}
- retval = do_mount(kernel_dev, dir_name, kernel_type,
- flags, (void*)data_page);
+ retval = do_mount(kernel_dev, dir_name, kernel_type, flags, options);
out3:
- free_page(data_page);
+ kfree(options);
out2:
kfree(kernel_dev);
out1: