linux-kernel - [PATCH] mcp23s08: check read

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Message-ID: <4806CD35.5020704@tiscali.nl>
Date:	Thu, 17 Apr 2008 06:08:21 +0200
From:	Roel Kluin <12o3l@...cali.nl>
To:	dbrownell@...rs.sourceforge.net,
	spi-devel-general@...ts.sourceforge.net,
	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] mcp23s08: check read_regs() retval

The return value of mcp23s08_read_regs() can only be evaluated when signed

Signed-off-by: Roel Kluin <12o3l@...cali.nl>
---
diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/mcp23s08.c
index bb60e8c..0eef8b8 100644
--- a/drivers/gpio/mcp23s08.c
+++ b/drivers/gpio/mcp23s08.c
@@ -168,7 +168,7 @@ static void mcp23s08_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 {
 	struct mcp23s08	*mcp;
 	char		bank;
-	unsigned	t;
+	int		t;
 	unsigned	mask;
 
 	mcp = container_of(chip, struct mcp23s08, chip);
--
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