diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 5e57c3e46e1da6d2338cdce05ec0044d5b158797..04f69ea4b8c7f1b7a1e7e85a82c904251ea4f5b6 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -474,7 +474,7 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,
 {
 	struct ctl_table_header *head = grab_header(dir);
 	struct ctl_table_header *h = NULL;
-	struct qstr *name = &dentry->d_name;
+	const struct qstr *name = &dentry->d_name;
 	struct ctl_table *p;
 	struct inode *inode;
 	struct dentry *err = ERR_PTR(-ENOENT);