Commit-ID: 3894e9e82dfdc87fa35dc7976e0472d220228826
Gitweb: http://git.kernel.org/tip/3894e9e82dfdc87fa35dc7976e0472d220228826
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
AuthorDate: Thu, 3 Apr 2014 10:21:34 +0300
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 28 Apr 2014 21:43:24 +0200
irqchip: irq-crossbar: Not allocating enough memory
We are allocating the size of a pointer and not the size of the data.
This will lead to memory corruption.
There isn't actually a "cb_device" struct, btw. The code is only able
to compile because GCC knows that all pointers are the same size.
Fixes: 96ca848ef7ea ('DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar IP')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Sricharan R <r.sricharan@xxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20140403072134.GA14286@mwanda
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
drivers/irqchip/irq-crossbar.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
index fc817d2..3d15d16 100644
--- a/drivers/irqchip/irq-crossbar.c
+++ b/drivers/irqchip/irq-crossbar.c
@@ -107,7 +107,7 @@ static int __init crossbar_of_init(struct device_node *node)
int i, size, max, reserved = 0, entry;
const __be32 *irqsr;
- cb = kzalloc(sizeof(struct cb_device *), GFP_KERNEL);
+ cb = kzalloc(sizeof(*cb), GFP_KERNEL);
if (!cb)
return -ENOMEM;
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|