[PATCH] drivers/scsi/*: use time_after() and friends

They deal with wrapping correctly and are nicer to read.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/qlogicfc.c b/drivers/scsi/qlogicfc.c
index 94ef3f08d378..5b15998c71a6 100644
--- a/drivers/scsi/qlogicfc.c
+++ b/drivers/scsi/qlogicfc.c
@@ -61,6 +61,7 @@
 #include <linux/unistd.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/jiffies.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include "scsi.h"
@@ -1325,7 +1326,7 @@ static int isp2x00_queuecommand(Scsi_Cmnd * Cmnd, void (*done) (Scsi_Cmnd *))
                 cmd->control_flags = cpu_to_le16(CFLAG_READ);
 
         if (Cmnd->device->tagged_supported) {
-                if ((jiffies - hostdata->tag_ages[Cmnd->device->id]) > (2 * ISP_TIMEOUT)) {
+                if (time_after(jiffies, hostdata->tag_ages[Cmnd->device->id] + (2 * ISP_TIMEOUT))) {
                         cmd->control_flags |= cpu_to_le16(CFLAG_ORDERED_TAG);
                         hostdata->tag_ages[Cmnd->device->id] = jiffies;
                 } else