[2/2,media] imon: Improve a size determination in two functions

Commit Message

SF Markus Elfring Aug. 29, 2017, 11:05 a.m. UTC

From: Markus Elfring <[e-mail]>
Date: Tue, 29 Aug 2017 12:45:59 +0200

Replace the specification of data structures by pointer dereferences
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/rc/imon.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index e6978f1b7f2c..27aab02b75b5 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -602,8 +602,7 @@  static int send_packet(struct imon_context *ictx)
 		ictx->tx_urb->actual_length = 0;
 	} else {
 		/* fill request into kmalloc'ed space: */
-		control_req = kmalloc(sizeof(struct usb_ctrlrequest),
-				      GFP_KERNEL);
+		control_req = kmalloc(sizeof(*control_req), GFP_KERNEL);
 		if (control_req == NULL)
 			return -ENOMEM;
 
@@ -2309,7 +2308,7 @@  static struct imon_context *imon_init_intf0(struct usb_interface *intf,
 	struct usb_host_interface *iface_desc;
 	int ret = -ENOMEM;
 
-	ictx = kzalloc(sizeof(struct imon_context), GFP_KERNEL);
+	ictx = kzalloc(sizeof(*ictx), GFP_KERNEL);
 	if (!ictx)
 		goto exit;