linux-kernel - [PATCH] input: signedness bug in cma3000_thread

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Date:	Mon, 12 Dec 2011 01:49:26 -0500
From:	Xi Wang <xi.wang@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Xi Wang <xi.wang@...il.com>
Subject: [PATCH] input: signedness bug in cma3000_thread_irq()

The error check (intr_status < 0) didn't work because intr_status is
a u8.  Change its type to signed int.

Signed-off-by: Xi Wang <xi.wang@...il.com>
---
 drivers/input/misc/cma3000_d0x.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
index 80793f1..06517e6 100644
--- a/drivers/input/misc/cma3000_d0x.c
+++ b/drivers/input/misc/cma3000_d0x.c
@@ -115,8 +115,8 @@ static void decode_mg(struct cma3000_accl_data *data, int *datax,
 static irqreturn_t cma3000_thread_irq(int irq, void *dev_id)
 {
 	struct cma3000_accl_data *data = dev_id;
-	int datax, datay, dataz;
-	u8 ctrl, mode, range, intr_status;
+	int datax, datay, dataz, intr_status;
+	u8 ctrl, mode, range;
 
 	intr_status = CMA3000_READ(data, CMA3000_INTSTATUS, "interrupt status");
 	if (intr_status < 0)
-- 
1.7.5.4

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