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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add check to see if gpio-width property does not exceed 32. If it exceeds then return -EINVAL. Signed-off-by: Srinivas Neeli Reviewed-by: Linus Walleij --- Changes in V5: -None Changes in V4: -New patch. --- drivers/gpio/gpio-xilinx.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index acd574779ca6..b411d3156e0b 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -589,6 +589,9 @@ static int xgpio_probe(struct platform_device *pdev) if (of_property_read_u32(np, "xlnx,gpio-width", &chip->gpio_width[0])) chip->gpio_width[0] = 32; + if (chip->gpio_width[0] > 32) + return -EINVAL; + spin_lock_init(&chip->gpio_lock); if (of_property_read_u32(np, "xlnx,is-dual", &is_dual)) @@ -613,6 +616,8 @@ static int xgpio_probe(struct platform_device *pdev) &chip->gpio_width[1])) chip->gpio_width[1] = 32; + if (chip->gpio_width[1] > 32) + return -EINVAL; } chip->gc.base = -1; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel