Re: [PATCH] staging: gpib: ni_usb: Move kfree after last use of in_data

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On Tue, Oct 15, 2024 at 10:45:58PM +0200, Kees Bakker wrote:
> In ni_usb_read() there was a kfree before the last use of in_data.
> 
> Signed-off-by: Kees Bakker <kees@xxxxxxxxxxxx>
> ---
>  drivers/staging/gpib/ni_usb/ni_usb_gpib.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/gpib/ni_usb/ni_usb_gpib.c b/drivers/staging/gpib/ni_usb/ni_usb_gpib.c
> index 1da263676f2a..75f39e1f3ed1 100644
> --- a/drivers/staging/gpib/ni_usb/ni_usb_gpib.c
> +++ b/drivers/staging/gpib/ni_usb/ni_usb_gpib.c
> @@ -690,12 +690,12 @@ static int ni_usb_read(gpib_board_t *board, uint8_t *buffer, size_t length,
>  		kfree(in_data);
>  		return parse_retval;
>  	}
> -	kfree(in_data);
>  	if (actual_length != length - status.count) {
>  		pr_err("%s: actual_length=%i expected=%li\n",
>  		       __func__, actual_length, (long)(length - status.count));
>  		ni_usb_dump_raw_block(in_data, usb_bytes_read);
>  	}
> +	kfree(in_data);
>  	switch (status.error_code) {
>  	case NIUSB_NO_ERROR:
>  		retval = 0;

Does not apply to my tree, what branch did you make this against?

thanks,

greg k-h




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