Re: [PATCH] Fix memory leaks in wave5_vpu_open_enc() and wave5_vpu_open_dec()

From: Nicolas Dufresne
Date: Mon Dec 04 2023 - 08:56:10 EST


Hi,

Le lundi 04 décembre 2023 à 17:16 +0800, Zeng Chi a écrit :
> This patch fixes memory leaks on error escapes in wave5_vpu_open_enc()
> and wave5_vpu_open_dec().

Please avoid sending twice the same patch. This is still a NAK.

regards,
Nicolas

>
> Fixes: 9707a6254a8a ("media: chips-media: wave5: Add the v4l2 layer")
> Signed-off-by: Zeng Chi <zengchi@xxxxxxxxxx>
> ---
> drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c | 5 +++--
> drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c | 5 +++--
> 2 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c b/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c
> index 8b1417ece96e..b0a045346bb7 100644
> --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c
> +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c
> @@ -1802,9 +1802,10 @@ static int wave5_vpu_open_dec(struct file *filp)
> spin_lock_init(&inst->state_spinlock);
>
> inst->codec_info = kzalloc(sizeof(*inst->codec_info), GFP_KERNEL);
> - if (!inst->codec_info)
> + if (!inst->codec_info) {
> + kfree(inst);
> return -ENOMEM;
> -
> + }
> v4l2_fh_init(&inst->v4l2_fh, vdev);
> filp->private_data = &inst->v4l2_fh;
> v4l2_fh_add(&inst->v4l2_fh);
> diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
> index f29cfa3af94a..bc94de9ea546 100644
> --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
> +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
> @@ -1546,9 +1546,10 @@ static int wave5_vpu_open_enc(struct file *filp)
> inst->ops = &wave5_vpu_enc_inst_ops;
>
> inst->codec_info = kzalloc(sizeof(*inst->codec_info), GFP_KERNEL);
> - if (!inst->codec_info)
> + if (!inst->codec_info) {
> + kfree(inst);
> return -ENOMEM;
> -
> + }
> v4l2_fh_init(&inst->v4l2_fh, vdev);
> filp->private_data = &inst->v4l2_fh;
> v4l2_fh_add(&inst->v4l2_fh);