# Fix masked_irq arg handling for ide_do_request().
# Solves "hdx: lost interrupt" bug.
#
# Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl>

 drivers/ide/ide-io.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -puN drivers/ide/ide-io.c~ide_masked_irq drivers/ide/ide-io.c
--- linux-2.5.69/drivers/ide/ide-io.c~ide_masked_irq	Thu May  8 17:16:27 2003
+++ linux-2.5.69-root/drivers/ide/ide-io.c	Thu May  8 17:16:27 2003
@@ -850,14 +850,14 @@ queue_next:
 		 * happens anyway when any interrupt comes in, IDE or otherwise
 		 *  -- the kernel masks the IRQ while it is being handled.
 		 */
-		if (hwif->irq != masked_irq)
+		if (masked_irq != IDE_NO_IRQ && hwif->irq != masked_irq)
 			disable_irq_nosync(hwif->irq);
 		spin_unlock(&ide_lock);
 		local_irq_enable();
 			/* allow other IRQs while we start this request */
 		startstop = start_request(drive, rq);
 		spin_lock_irq(&ide_lock);
-		if (hwif->irq != masked_irq)
+		if (masked_irq != IDE_NO_IRQ && hwif->irq != masked_irq)
 			enable_irq(hwif->irq);
 		if (startstop == ide_released)
 			goto queue_next;

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