[2/3,media] hdpvr: Improve a size determination in hdpvr_alloc_buffers()

Commit Message

SF Markus Elfring Sept. 19, 2017, 6:46 p.m. UTC

From: Markus Elfring <[e-mail]>
Date: Tue, 19 Sep 2017 19:27:53 +0200

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 <[e-mail]>
---
 drivers/media/usb/hdpvr/hdpvr-video.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch

diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
index 657d910dfa1d..f06efcd70c14 100644
--- a/drivers/media/usb/hdpvr/hdpvr-video.c
+++ b/drivers/media/usb/hdpvr/hdpvr-video.c
@@ -145,6 +145,5 @@  int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count)
 		 "allocating %u buffers\n", count);
 
 	for (i = 0; i < count; i++) {
-
-		buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL);
+		buf = kzalloc(sizeof(*buf), GFP_KERNEL);
 		if (!buf)