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-rw-r--r--fs/kernfs/symlink.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c
index 8a198898e39a..3c7e799974a2 100644
--- a/fs/kernfs/symlink.c
+++ b/fs/kernfs/symlink.c
@@ -112,25 +112,23 @@ static int kernfs_getlink(struct dentry *dentry, char *path)
return error;
}
-static void *kernfs_iop_follow_link(struct dentry *dentry, struct nameidata *nd)
+static const char *kernfs_iop_follow_link(struct dentry *dentry, void **cookie, struct nameidata *nd)
{
int error = -ENOMEM;
unsigned long page = get_zeroed_page(GFP_KERNEL);
- if (page) {
- error = kernfs_getlink(dentry, (char *) page);
- if (error < 0)
- free_page((unsigned long)page);
+ if (!page)
+ return ERR_PTR(-ENOMEM);
+ error = kernfs_getlink(dentry, (char *)page);
+ if (unlikely(error < 0)) {
+ free_page((unsigned long)page);
+ return ERR_PTR(error);
}
- nd_set_link(nd, error ? ERR_PTR(error) : (char *)page);
- return NULL;
+ return *cookie = (char *)page;
}
-static void kernfs_iop_put_link(struct dentry *dentry, struct nameidata *nd,
- void *cookie)
+static void kernfs_iop_put_link(struct dentry *dentry, void *cookie)
{
- char *page = nd_get_link(nd);
- if (!IS_ERR(page))
- free_page((unsigned long)page);
+ free_page((unsigned long)cookie);
}
const struct inode_operations kernfs_symlink_iops = {