linux-kernel - [PATCH] Input: omap-keypad - fix a wrong free

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Date:	Thu, 28 Apr 2011 11:23:26 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Timo Teräs <ext-timo.teras@...ia.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Tony Lindgren <tony@...mide.com>, linux-input@...r.kernel.org
Subject: [PATCH] Input: omap-keypad - fix a wrong free_irq() parameter

In current implementation, free_irq() was using NULL rather than the
driver data as the data pointer so free_irq() wouldn't have matched.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/input/keyboard/omap-keypad.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index 0e2a19c..f23a743 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -413,7 +413,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
 	return 0;
 err5:
 	for (i = irq_idx - 1; i >=0; i--)
-		free_irq(row_gpios[i], NULL);
+		free_irq(row_gpios[i], omap_kp);
 err4:
 	input_unregister_device(omap_kp->input);
 	input_dev = NULL;
@@ -444,11 +444,11 @@ static int __devexit omap_kp_remove(struct platform_device *pdev)
 			gpio_free(col_gpios[i]);
 		for (i = 0; i < omap_kp->rows; i++) {
 			gpio_free(row_gpios[i]);
-			free_irq(gpio_to_irq(row_gpios[i]), NULL);
+			free_irq(gpio_to_irq(row_gpios[i]), omap_kp);
 		}
 	} else {
 		omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
-		free_irq(omap_kp->irq, NULL);
+		free_irq(omap_kp->irq, omap_kp);
 	}
 
 	del_timer_sync(&omap_kp->timer);
-- 
1.7.1



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