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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Samuel Ortiz <sameo@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, Dan Carpenter <error27@gmail.com>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: [PATCH 1/4] mfd: WM8350 off by one bug
Date: Tue,  5 Jan 2010 13:59:06 +0000	[thread overview]
Message-ID: <1262699949-3079-1-git-send-email-broonie@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <20100105135756.GA2993@rakim.wolfsonmicro.main>

From: Dan Carpenter <error27@gmail.com>

If irq == WM8350_NUM_IRQ that would put us past the end of the array.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 drivers/mfd/wm8350-irq.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/wm8350-irq.c b/drivers/mfd/wm8350-irq.c
index c8df547..9025f29 100644
--- a/drivers/mfd/wm8350-irq.c
+++ b/drivers/mfd/wm8350-irq.c
@@ -434,7 +434,7 @@ int wm8350_register_irq(struct wm8350 *wm8350, int irq,
 			irq_handler_t handler, unsigned long flags,
 			const char *name, void *data)
 {
-	if (irq < 0 || irq > WM8350_NUM_IRQ || !handler)
+	if (irq < 0 || irq >= WM8350_NUM_IRQ || !handler)
 		return -EINVAL;
 
 	if (wm8350->irq[irq].handler)
@@ -453,7 +453,7 @@ EXPORT_SYMBOL_GPL(wm8350_register_irq);
 
 int wm8350_free_irq(struct wm8350 *wm8350, int irq)
 {
-	if (irq < 0 || irq > WM8350_NUM_IRQ)
+	if (irq < 0 || irq >= WM8350_NUM_IRQ)
 		return -EINVAL;
 
 	wm8350_mask_irq(wm8350, irq);
-- 
1.6.5.7


  reply	other threads:[~2010-01-05 13:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-05 13:57 [PATCH 0/4] Convert WM8350 to genirq Mark Brown
2010-01-05 13:59 ` Mark Brown [this message]
2010-01-05 13:59   ` [PATCH 2/4] mfd: Add a data argument to the WM8350 IRQ free function Mark Brown
2010-01-05 13:59     ` [PATCH 3/4] rtc: Suppress duplicate enable/disable of WM8350 update interrupt Mark Brown
2010-01-05 13:59       ` [PATCH 4/4] mfd: Convert WM8350 to genirq Mark Brown
2010-01-05 20:40         ` [PATCH 5/4] mfd: Don't allow WM8350 to be built modular Mark Brown
2010-01-06  8:56           ` Samuel Ortiz
2010-01-05 15:04       ` [PATCH 3/4] rtc: Suppress duplicate enable/disable of WM8350 update interrupt Alessandro Zummo

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