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[PATCH] drivers/char/lp.c : Use of the time_after() macro 

Use of the time_after() macro, defined at linux/jiffies.h, which deals 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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Marcelo Feitoza Parisi 2005-09-10 00:26:57 -07:00 committed by Linus Torvalds
parent 82b44429e0
commit 9675770133
1 changed files with 2 additions and 1 deletions
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drivers/char/lp.c
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@ -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 * file, const char __user * buf,
(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;