[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, 3 insertions, 2 deletions

diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 66ea47a9c53c..e3bd4bc339f4 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -49,6 +49,7 @@ static const char * osst_version = "0.99.4";
 #include <linux/blkdev.h>
 #include <linux/moduleparam.h>
 #include <linux/delay.h>
+#include <linux/jiffies.h>
 #include <asm/uaccess.h>
 #include <asm/dma.h>
 #include <asm/system.h>
@@ -856,7 +857,7 @@ static int osst_wait_frame(struct osst_tape * STp, struct osst_request ** aSRpnt
                     ) && result >= 0)
                 {
 #if DEBUG                       
-                        if (debugging || jiffies - startwait >= 2*HZ/OSST_POLL_PER_SEC)
+                        if (debugging || time_after_eq(jiffies, startwait + 2*HZ/OSST_POLL_PER_SEC))
                                 printk (OSST_DEB_MSG
                                         "%s:D: Succ wait f fr %i (>%i): %i-%i %i (%i): %3li.%li s\n",
                                         name, curr, curr+minlast, STp->first_frame_position,
@@ -867,7 +868,7 @@ static int osst_wait_frame(struct osst_tape * STp, struct osst_request ** aSRpnt
                         return 0;
                 }
 #if DEBUG
-                if (jiffies - startwait >= 2*HZ/OSST_POLL_PER_SEC && notyetprinted)
+                if (time_after_eq(jiffies, startwait + 2*HZ/OSST_POLL_PER_SEC) && notyetprinted)
                 {
                         printk (OSST_DEB_MSG "%s:D: Wait for frame %i (>%i): %i-%i %i (%i)\n",
                                 name, curr, curr+minlast, STp->first_frame_position,