[PATCH] irqchip/irq-mvebu-gicp: allocate enough memory for spi_bitmap

From	Dan Carpenter <dan.carpenter@oracle.com>
Newsgroups	linux.kernel
Subject	[PATCH] irqchip/irq-mvebu-gicp: allocate enough memory for spi_bitmap
Date	2017-06-30 10:10 +0200
Message-ID	<tXZa2-2WX-23@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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BITS_TO_LONGS() gives us the number of longs we need, but we want to
allocate the number of bytes.

Fixes: a68a63cb4dfc ("irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c
index 45358ac9bb1d..b283fc90be1e 100644
--- a/drivers/irqchip/irq-mvebu-gicp.c
+++ b/drivers/irqchip/irq-mvebu-gicp.c
@@ -226,8 +226,8 @@ static int mvebu_gicp_probe(struct platform_device *pdev)
 	}
 
 	gicp->spi_bitmap = devm_kzalloc(&pdev->dev,
-					BITS_TO_LONGS(gicp->spi_cnt),
-					GFP_KERNEL);
+				BITS_TO_LONGS(gicp->spi_cnt) * sizeof(long),
+				GFP_KERNEL);
 	if (!gicp->spi_bitmap)
 		return -ENOMEM;

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[PATCH] irqchip/irq-mvebu-gicp: allocate enough memory for spi_bitmap Dan Carpenter <dan.carpenter@oracle.com> - 2017-06-30 10:10 +0200
  Re: [PATCH] irqchip/irq-mvebu-gicp: allocate enough memory for  spi_bitmap Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - 2017-06-30 10:20 +0200

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