Re: [PATCH 1/2] usb: typec: tipd: Fix dereferencing freeing memory in tps6598x_apply_patch()

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On 24/07/2024 18:23, Harshit Mogalapalli wrote:
> release_firmware() already frees fw, fix this my moving release_firmware
> after the dereference.
> 
> Fixes: 916b8e5fa73d ("usb: typec: tipd: add error log to provide firmware name and size")
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@xxxxxxxxxx>
> ---
> This is found with smatch, only compile tested
> ---
>  drivers/usb/typec/tipd/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index ea768b19a7f1..eb5596e3406a 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -1191,11 +1191,11 @@ static int tps6598x_apply_patch(struct tps6598x *tps)
>  	dev_info(tps->dev, "Firmware update succeeded\n");
>  
>  release_fw:
> -	release_firmware(fw);
>  	if (ret) {
>  		dev_err(tps->dev, "Failed to write patch %s of %zu bytes\n",
>  			firmware_name, fw->size);
>  	}
> +	release_firmware(fw);
>  
>  	return ret;
>  };

Hi Harshit, thanks for the fix.

Reviewed-by: Javier Carrasco <javier.carrasco@xxxxxxxxxxxxxx>




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