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From: Roel Kluin <roel.kluin@gmail.com>
To: lrg@slimlogic.co.uk
Cc: LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] regulator: add check index of wm8350->pmic.pdev[]
Date: Mon, 15 Jun 2009 22:30:39 +0200	[thread overview]
Message-ID: <4A36AF6F.6060005@gmail.com> (raw)

Ensure that reg is within the bounds of array wm8350->pmic.pdev[].

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 771eca1..c806259 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1419,6 +1419,8 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg,
 {
 	struct platform_device *pdev;
 	int ret;
+	if (reg < 0 || reg >= NUM_WM8350_REGULATORS)
+		return -EINVAL;
 
 	if (wm8350->pmic.pdev[reg])
 		return -EBUSY;

             reply	other threads:[~2009-06-15 18:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-15 20:30 Roel Kluin [this message]
2009-06-15 18:38 ` [PATCH] regulator: add check index of wm8350->pmic.pdev[] Mark Brown
2009-06-16  9:15 ` Liam Girdwood

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