[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/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 1fd5fc6d0fe3..c7e78dcf09df 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -24,6 +24,7 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/jiffies.h>
 
 #include <asm/byteorder.h>
 
@@ -1017,7 +1018,7 @@ static inline void cmd_frob(struct Command_Entry *cmd, struct scsi_cmnd *Cmnd,
         if (Cmnd->device->tagged_supported) {
                 if (qpti->cmd_count[Cmnd->device->id] == 0)
                         qpti->tag_ages[Cmnd->device->id] = jiffies;
-                if ((jiffies - qpti->tag_ages[Cmnd->device->id]) > (5*HZ)) {
+                if (time_after(jiffies, qpti->tag_ages[Cmnd->device->id] + (5*HZ))) {
                         cmd->control_flags = CFLAG_ORDERED_TAG;
                         qpti->tag_ages[Cmnd->device->id] = jiffies;
                 } else