These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / configfs / symlink.c

diff --git a/kernel/fs/configfs/symlink.c b/kernel/fs/configfs/symlink.c
index cc9f254..ec5c832 100644 (file)
--- a/kernel/fs/configfs/symlink.c
+++ b/kernel/fs/configfs/symlink.c
@@ -279,36 +279,27 @@ static int configfs_getlink(struct dentry *dentry, char * path)
 
 }
 
-static void *configfs_follow_link(struct dentry *dentry, struct nameidata *nd)
+static const char *configfs_follow_link(struct dentry *dentry, void **cookie)
 {
-       int error = -ENOMEM;
        unsigned long page = get_zeroed_page(GFP_KERNEL);
+       int error;
 
-       if (page) {
-               error = configfs_getlink(dentry, (char *)page);
-               if (!error) {
-                       nd_set_link(nd, (char *)page);
-                       return (void *)page;
-               }
-       }
-
-       nd_set_link(nd, ERR_PTR(error));
-       return NULL;
-}
+       if (!page)
+               return ERR_PTR(-ENOMEM);
 
-static void configfs_put_link(struct dentry *dentry, struct nameidata *nd,
-                             void *cookie)
-{
-       if (cookie) {
-               unsigned long page = (unsigned long)cookie;
-               free_page(page);
+       error = configfs_getlink(dentry, (char *)page);
+       if (!error) {
+               return *cookie = (void *)page;
        }
+
+       free_page(page);
+       return ERR_PTR(error);
 }
 
 const struct inode_operations configfs_symlink_inode_operations = {
        .follow_link = configfs_follow_link,
        .readlink = generic_readlink,
-       .put_link = configfs_put_link,
+       .put_link = free_page_put_link,
        .setattr = configfs_setattr,
 };