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Subject[PATCH 2/2] Input: sur40: Improve a size determination in sur40_probe()
From
Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 20 Jan 2018 22:16:14 +0100

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/input/touchscreen/sur40.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index c7a0a92b2044..946e1a0328b4 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -550,7 +550,7 @@ static int sur40_probe(struct usb_interface *interface,
return -ENODEV;

/* Allocate memory for our device state and initialize it. */
- sur40 = kzalloc(sizeof(struct sur40_state), GFP_KERNEL);
+ sur40 = kzalloc(sizeof(*sur40), GFP_KERNEL);
if (!sur40)
return -ENOMEM;

--
2.15.1
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