3 files changed, 9 insertions, 1 deletions

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 0e0280076fcd..8670112f1d39 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1226,6 +1226,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
 #endif
                                 /* so that ide_timer_expiry knows what to do */
                                 hwgroup->sleeping = 1;
+                                hwgroup->req_gen_timer = hwgroup->req_gen;
                                 mod_timer(&hwgroup->timer, sleep);
                                 /* we purposely leave hwgroup->busy==1
                                  * while sleeping */
@@ -1411,7 +1412,8 @@ void ide_timer_expiry (unsigned long data)
 
         spin_lock_irqsave(&ide_lock, flags);
 
-        if ((handler = hwgroup->handler) == NULL) {
+        if (((handler = hwgroup->handler) == NULL) ||
+            (hwgroup->req_gen != hwgroup->req_gen_timer)) {
                 /*
                  * Either a marginal timeout occurred
                  * (got the interrupt just as timer expired),
@@ -1439,6 +1441,7 @@ void ide_timer_expiry (unsigned long data)
                                 if ((wait = expiry(drive)) > 0) {
                                         /* reset timer */
                                         hwgroup->timer.expires  = jiffies + wait;
+                                        hwgroup->req_gen_timer = hwgroup->req_gen;
                                         add_timer(&hwgroup->timer);
                                         spin_unlock_irqrestore(&ide_lock, flags);
                                         return;
@@ -1653,6 +1656,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
                 printk(KERN_ERR "%s: ide_intr: hwgroup->busy was 0 ??\n", drive->name);
         }
         hwgroup->handler = NULL;
+        hwgroup->req_gen++;
         del_timer(&hwgroup->timer);
         spin_unlock(&ide_lock);
 
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 1ee53a551c3a..3caa176b3155 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -889,6 +889,7 @@ static void __ide_set_handler (ide_drive_t *drive, ide_handler_t *handler,
         hwgroup->handler        = handler;
         hwgroup->expiry         = expiry;
         hwgroup->timer.expires  = jiffies + timeout;
+        hwgroup->req_gen_timer = hwgroup->req_gen;
         add_timer(&hwgroup->timer);
 }
 
@@ -929,6 +930,7 @@ void ide_execute_command(ide_drive_t *drive, task_ioreg_t cmd, ide_handler_t *ha
         hwgroup->handler        = handler;
         hwgroup->expiry         = expiry;
         hwgroup->timer.expires  = jiffies + timeout;
+        hwgroup->req_gen_timer = hwgroup->req_gen;
         add_timer(&hwgroup->timer);
         hwif->OUTBSYNC(drive, cmd, IDE_COMMAND_REG);
         /* Drive takes 400nS to respond, we must avoid the IRQ being
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 58564a199862..d3bbc7188b6a 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -861,6 +861,8 @@ typedef struct hwgroup_s {
         int (*expiry)(ide_drive_t *);
                 /* ide_system_bus_speed */
         int pio_clock;
+        int req_gen;
+        int req_gen_timer;
 
         unsigned char cmd_buf[4];
 } ide_hwgroup_t;