diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 63f67e3c2555d69906b94e9e624b629f99bf53bf..5deb7e717333cd70e7c1f98d890d65bc1d44ff61 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -940,8 +940,6 @@ static int init_irq (ide_hwif_t *hwif)
 	irq_handler_t irq_handler;
 	int sa = 0;
 
-	mutex_lock(&ide_cfg_mtx);
-
 	irq_handler = hwif->host->irq_handler;
 	if (irq_handler == NULL)
 		irq_handler = ide_intr;
@@ -979,10 +977,8 @@ static int init_irq (ide_hwif_t *hwif)
 		printk(KERN_CONT " (serialized)");
 	printk(KERN_CONT "\n");
 
-	mutex_unlock(&ide_cfg_mtx);
 	return 0;
 out_up:
-	mutex_unlock(&ide_cfg_mtx);
 	return 1;
 }