From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Date: Fri, 23 Sep 2005 04:44:18 +0000 (-0700)
Subject: [PATCH] uml: fix condition in tlb flush
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=dc36abf34e13aabbe06cdd060c434b3cdd80e7da;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] uml: fix condition in tlb flush

Avoid setting w = 0 twice.  Spotted this (trivial) thing which is needed for
another patch.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index 0a562c3c0fd8..f5b0636f9ad7 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -193,12 +193,12 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
                 r = pte_read(*npte);
                 w = pte_write(*npte);
                 x = pte_exec(*npte);
-                if(!pte_dirty(*npte))
-                        w = 0;
-                if(!pte_young(*npte)){
-                        r = 0;
-                        w = 0;
-                }
+		if (!pte_young(*npte)) {
+			r = 0;
+			w = 0;
+		} else if (!pte_dirty(*npte)) {
+			w = 0;
+		}
                 if(force || pte_newpage(*npte)){
                         if(pte_present(*npte))
 			  ret = add_mmap(addr,