linux-kernel - [PATCH] mm: do_generic_file_read() never gets a NULL 'filp' argument

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Message-Id: <20080922061610.20158.86022.sendpatchset@localhost.localdomain>
Date:	Mon, 22 Sep 2008 11:46:10 +0530
From:	Krishna Kumar <krkumar2@...ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	krkumar2@...ibm.com, Krishna Kumar <krkumar2@...ibm.com>
Subject: [PATCH] mm: do_generic_file_read() never gets a NULL 'filp' argument

From: Krishna Kumar <krkumar2@...ibm.com>

The 'filp' argument to do_generic_file_read() is never NULL.

Signed-off-by: Krishna Kumar <krkumar2@...ibm.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
---
 mm/filemap.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -ruNp 2.6.27-rc7-org/mm/filemap.c 2.6.27-rc7-new/mm/filemap.c
--- 2.6.27-rc7-org/mm/filemap.c	2008-09-17 12:53:25.000000000 +0530
+++ 2.6.27-rc7-new/mm/filemap.c	2008-09-17 12:53:59.000000000 +0530
@@ -1186,8 +1186,7 @@ out:
 	ra->prev_pos |= prev_offset;
 
 	*ppos = ((loff_t)index << PAGE_CACHE_SHIFT) + offset;
-	if (filp)
-		file_accessed(filp);
+	file_accessed(filp);
 }
 
 int file_read_actor(read_descriptor_t *desc, struct page *page,
--
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