diff mbox series

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

Message ID 20240724162356.992763-1-harshit.m.mogalapalli@oracle.com
State New
Headers show
Series [1/2] usb: typec: tipd: Fix dereferencing freeing memory in tps6598x_apply_patch() | expand

Commit Message

Harshit Mogalapalli July 24, 2024, 4:23 p.m. UTC
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@oracle.com>
---
This is found with smatch, only compile tested
---
 drivers/usb/typec/tipd/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Javier Carrasco July 25, 2024, 5:45 a.m. UTC | #1
On 24/07/2024 18:23, Harshit Mogalapalli wrote:
> There shouldn't be a ; at the end of the function, delete it.
> 
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
> ---
>  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 eb5596e3406a..dd51a25480bf 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -1198,7 +1198,7 @@ static int tps6598x_apply_patch(struct tps6598x *tps)
>  	release_firmware(fw);
>  
>  	return ret;
> -};
> +}
>  
>  static int cd321x_init(struct tps6598x *tps)
>  {

Reviewed-by: Javier Carrasco <javier.carrasco@wolfvision.net>
Heikki Krogerus July 30, 2024, 8:45 a.m. UTC | #2
On Wed, Jul 24, 2024 at 09:23:51AM -0700, Harshit Mogalapalli wrote:
> There shouldn't be a ; at the end of the function, delete it.
> 
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>

> ---
>  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 eb5596e3406a..dd51a25480bf 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -1198,7 +1198,7 @@ static int tps6598x_apply_patch(struct tps6598x *tps)
>  	release_firmware(fw);
>  
>  	return ret;
> -};
> +}
>  
>  static int cd321x_init(struct tps6598x *tps)
>  {
> -- 
> 2.45.2
diff mbox series

Patch

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;
 };