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

PATCH In review [email protected] 1 participant 1 message Jul 31, 2005 Char and misc drivers

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2005-07-31 11:12 UTC #0 lore raw

PATCH 1/5 drivers/char/lp.c : Use of the time_after() macro

From: Marcelo Feitoza Parisi <[email protected]>

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 <[email protected]>

Signed-off-by Domen Puncer <[email protected]>

---
 lp.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

drivers/char/lp.c +2 -1

Index: 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;