From: Nate Diller <nate.diller@gmail.com>
Date: Wed, 9 May 2007 09:35:07 +0000 (-0700)
Subject: affs: use zero_user_page
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f36dca90e674a1a62cad810f630629c0008b2128;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

affs: use zero_user_page

Use zero_user_page() instead of open-coding it.

Signed-off-by: Nate Diller <nate.diller@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/affs/file.c b/fs/affs/file.c
index 4aa8079e71be..c8796906f584 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -628,11 +628,7 @@ static int affs_prepare_write_ofs(struct file *file, struct page *page, unsigned
 			return err;
 	}
 	if (to < PAGE_CACHE_SIZE) {
-		char *kaddr = kmap_atomic(page, KM_USER0);
-
-		memset(kaddr + to, 0, PAGE_CACHE_SIZE - to);
-		flush_dcache_page(page);
-		kunmap_atomic(kaddr, KM_USER0);
+		zero_user_page(page, to, PAGE_CACHE_SIZE - to, KM_USER0);
 		if (size > offset + to) {
 			if (size < offset + PAGE_CACHE_SIZE)
 				tmp = size & ~PAGE_CACHE_MASK;