Re: [PATCH] HID: fix noderef.cocci warnings

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Masaki,

On Mon, Jun 20, 2016 at 09:45:02AM +0000, Masaki Ota wrote:
> Hi, fengguang,
> 
> 	ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input,
> -			sizeof(input), HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
> +			sizeof(*input), HID_FEATURE_REPORT,
> +			HID_REQ_SET_REPORT);
> 
> I tested this code, but our device cannot work on it.
> So, I think we should modify the code as below.
> 
> 	ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input,
> 			sizeof(u8)*U1_FEATURE_REPORT_LEN,
> 			HID_FEATURE_REPORT, HID_REQ_SET_REPORT);

OK, thank you for the fix!

Fenguang

> -----Original Message-----
> From: kbuild test robot [mailto:fengguang.wu@xxxxxxxxx] 
> Sent: Saturday, June 18, 2016 9:13 PM
> Cc: kbuild-all@xxxxxx; linux-input@xxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; Jiri Kosina; 太田 真喜 Masaki Ota
> Subject: [PATCH] HID: fix noderef.cocci warnings
> 
> drivers/hid/hid-alps.c:139:3-9: ERROR: application of sizeof to pointer
> drivers/hid/hid-alps.c:148:4-10: ERROR: application of sizeof to pointer
> 
>  sizeof when applied to a pointer typed expression gives the size of  the pointer
> 
> Generated by: scripts/coccinelle/misc/noderef.cocci
> 
> CC: Masaki Ota <masaki.ota@xxxxxxxxxxx>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> ---
> 
>  hid-alps.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> --- a/drivers/hid/hid-alps.c
> +++ b/drivers/hid/hid-alps.c
> @@ -136,7 +136,8 @@ static int u1_read_write_register(struct
>  
>  	input[7] = check_sum;
>  	ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input,
> -			sizeof(input), HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
> +			sizeof(*input), HID_FEATURE_REPORT,
> +			HID_REQ_SET_REPORT);
>  
>  	if (ret < 0) {
>  		dev_err(&hdev->dev, "failed to read command (%d)\n", ret); @@ -145,7 +146,7 @@ static int u1_read_write_register(struct
>  
>  	if (read_flag) {
>  		ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, readbuf,
> -				sizeof(readbuf), HID_FEATURE_REPORT,
> +				sizeof(*readbuf), HID_FEATURE_REPORT,
>  				HID_REQ_GET_REPORT);
>  
>  		if (ret < 0) {
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux