qstr: constify dentry_init_security

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/security.h b/include/linux/security.h
index 14df373..7831cd5 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -240,7 +240,7 @@
 				struct super_block *newsb);
 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
 int security_dentry_init_security(struct dentry *dentry, int mode,
-					struct qstr *name, void **ctx,
+					const struct qstr *name, void **ctx,
 					u32 *ctxlen);
 
 int security_inode_alloc(struct inode *inode);
@@ -591,7 +591,7 @@
 
 static inline int security_dentry_init_security(struct dentry *dentry,
 						 int mode,
-						 struct qstr *name,
+						 const struct qstr *name,
 						 void **ctx,
 						 u32 *ctxlen)
 {