From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Date: Mon, 5 Dec 2005 10:15:06 +0000 (+0000)
Subject: [ARM SMP] mpcore_wdt bogus fpos check
X-Git-Tag: firefly_0821_release~38603^2~85^2~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9ddf61bd09a7668279d2b208a96eba784bec3d80;p=firefly-linux-kernel-4.4.55.git

[ARM SMP] mpcore_wdt bogus fpos check

drivers/char/watchdog/mpcore_wdt.c write function contains a check for
(ppos != &file->f_pos). Such check used to make sense when a pointer to
file->f_pos was handed by vfs_write(), not a copy of it as it stands
now.

Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c
index 9defcf861b67..b4d843489881 100644
--- a/drivers/char/watchdog/mpcore_wdt.c
+++ b/drivers/char/watchdog/mpcore_wdt.c
@@ -180,10 +180,6 @@ static ssize_t mpcore_wdt_write(struct file *file, const char *data, size_t len,
 {
 	struct mpcore_wdt *wdt = file->private_data;
 
-	/*  Can't seek (pwrite) on this device  */
-	if (ppos != &file->f_pos)
-		return -ESPIPE;
-
 	/*
 	 *	Refresh the timer.
 	 */