From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Fri, 18 Dec 2009 16:23:44 +0000 (+0000)
Subject: ARM: make_coherent: convert adjust_pte() to use p*d_none_or_clear_bad()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f8a85f1164a33e3eb5b421b137ced793ed53ee33;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

ARM: make_coherent: convert adjust_pte() to use p*d_none_or_clear_bad()

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index 074e6bb54eb3..7a8efe1b37d8 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -73,16 +73,12 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
 	int ret;
 
 	pgd = pgd_offset(vma->vm_mm, address);
-	if (pgd_none(*pgd))
-		goto no_pgd;
-	if (pgd_bad(*pgd))
-		goto bad_pgd;
+	if (pgd_none_or_clear_bad(pgd))
+		return 0;
 
 	pmd = pmd_offset(pgd, address);
-	if (pmd_none(*pmd))
-		goto no_pmd;
-	if (pmd_bad(*pmd))
-		goto bad_pmd;
+	if (pmd_none_or_clear_bad(pmd))
+		return 0;
 
 	pte = pte_offset_map(pmd, address);
 
@@ -91,18 +87,6 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
 	pte_unmap(pte);
 
 	return ret;
-
-bad_pgd:
-	pgd_ERROR(*pgd);
-	pgd_clear(pgd);
-no_pgd:
-	return 0;
-
-bad_pmd:
-	pmd_ERROR(*pmd);
-	pmd_clear(pmd);
-no_pmd:
-	return 0;
 }
 
 static void