linux-kernel - [PATCH 05/12] mISDN: Remove unnecessary test on f

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Message-Id: <1270821655-4368-6-git-send-email-jblunck@suse.de>
Date:	Fri,  9 Apr 2010 16:00:48 +0200
From:	Jan Blunck <jblunck@...e.de>
To:	Linux-Kernel Mailinglist <linux-kernel@...r.kernel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Arnd Bergmann <arnd@...db.de>, Alan Cox <alan@...ux.intel.com>,
	Jan Blunck <jblunck@...e.de>
Subject: [PATCH 05/12] mISDN: Remove unnecessary test on f_pos

This test is not doing anything since it is always false if the mISDN_read()
is called from vfs_read(). Besides that the driver uses nonseekable_open()
and is not using off or file->f_pos anywhere.

Signed-off-by: Jan Blunck <jblunck@...e.de>
---
 drivers/isdn/mISDN/timerdev.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index 5b7e9bf..0a8b440 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -96,8 +96,6 @@ mISDN_read(struct file *filep, char __user *buf, size_t count, loff_t *off)
 	if (*debug & DEBUG_TIMER)
 		printk(KERN_DEBUG "%s(%p, %p, %d, %p)\n", __func__,
 			filep, buf, (int)count, off);
-	if (*off != filep->f_pos)
-		return -ESPIPE;
 
 	if (list_empty(&dev->expired) && (dev->work == 0)) {
 		if (filep->f_flags & O_NONBLOCK)
-- 
1.6.4.2

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