From: domen@coderock.org
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org,
Marcelo Feitoza Parisi <marcelo@feitoza.com.br>,
domen@coderock.org
Subject: [patch 1/5] drivers/char/lp.c : Use of the time_after() macro
Date: Sun, 31 Jul 2005 13:12:06 +0200 [thread overview]
Message-ID: <20050731111205.933793000@homer> (raw)
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[-- Type: text/plain, Size: 1009 bytes --]
From: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Use of the time_after() macro, defined at linux/jiffies.h, which deal
with wrapping correctly and are nicer to read.
Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Domen Puncer <domen@coderock.org>
---
lp.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
Index: quilt/drivers/char/lp.c
===================================================================
--- quilt.orig/drivers/char/lp.c
+++ quilt/drivers/char/lp.c
@@ -128,6 +128,7 @@
#include <linux/console.h>
#include <linux/device.h>
#include <linux/wait.h>
+#include <linux/jiffies.h>
#include <linux/parport.h>
#undef LP_STATS
@@ -307,7 +308,7 @@ static ssize_t lp_write(struct file * fi
(LP_F(minor) & LP_ABORT));
#ifdef LP_STATS
- if (jiffies-lp_table[minor].lastcall > LP_TIME(minor))
+ if (time_after(jiffies, lp_table[minor].lastcall + LP_TIME(minor)))
lp_table[minor].runchars = 0;
lp_table[minor].lastcall = jiffies;
--
reply other threads:[~2005-07-31 11:12 UTC|newest]
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