From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 6 Dec 2015 02:06:33 +0000 (-0500)
Subject: restore_nameidata(): no need to clear now->stack
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e1a63bbc40c00d5198b1c1d133b139e962f5e872;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

restore_nameidata(): no need to clear now->stack

microoptimization: in all callers *now is in the frame we are about to leave.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/namei.c b/fs/namei.c
index 0baf64b116bd..9e102aca3480 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -534,10 +534,8 @@ static void restore_nameidata(void)
 	current->nameidata = old;
 	if (old)
 		old->total_link_count = now->total_link_count;
-	if (now->stack != now->internal) {
+	if (now->stack != now->internal)
 		kfree(now->stack);
-		now->stack = now->internal;
-	}
 }
 
 static int __nd_alloc_stack(struct nameidata *nd)