From: Christoph Hellwig <hch@lst.de>
Date: Wed, 13 May 2020 06:45:59 +0000 (+0200)
Subject: autofs: switch to kernel_write
X-Git-Tag: v5.15~3411^2~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=13c164b1a186dfe17d104d9638b86a06be1e40bf;p=platform%2Fkernel%2Flinux-starfive.git

autofs: switch to kernel_write

While pipes don't really need sb_writers projection, __kernel_write is an
interface better kept private, and the additional rw_verify_area does not
hurt here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ian Kent <raven@themaw.net>
---

diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index b04c528..74c886f 100644
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi,
 
 	mutex_lock(&sbi->pipe_mutex);
 	while (bytes) {
-		wr = __kernel_write(file, data, bytes, &file->f_pos);
+		wr = kernel_write(file, data, bytes, &file->f_pos);
 		if (wr <= 0)
 			break;
 		data += wr;