[PATCH] wifi: ath11k: Fix possible memory leak in ath11k_dp_srng_setup()

[Baochen Qiang]

On 7/27/2026 6:55 PM, Abdun Nihaal wrote:
> In ath11k_dp_srng_setup(), the memory allocated for
> ring->vaddr_unaligned is not freed when ath11k_hal_srng_setup() fails.
> Fix that by calling ath11k_dp_srng_cleanup() in that error path.
> 
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Cc: stable at vger.kernel.org
> Signed-off-by: Abdun Nihaal <nihaal at cse.iitm.ac.in>
> ---
> Compile tested only. Issue found using static analysis.

this info is useful hence can be put in commit mesage

> 
>  drivers/net/wireless/ath/ath11k/dp.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/wireless/ath/ath11k/dp.c b/drivers/net/wireless/ath/ath11k/dp.c
> index f389b97acbdd..c3a16da1cba7 100644
> --- a/drivers/net/wireless/ath/ath11k/dp.c
> +++ b/drivers/net/wireless/ath/ath11k/dp.c
> @@ -324,6 +324,7 @@ int ath11k_dp_srng_setup(struct ath11k_base *ab, struct dp_srng *ring,
>  
>  	ret = ath11k_hal_srng_setup(ab, type, ring_num, mac_id, &params);
>  	if (ret < 0) {
> +		ath11k_dp_srng_cleanup(ab, ring);
>  		ath11k_warn(ab, "failed to setup srng: %d ring_id %d\n",
>  			    ret, ring_num);
>  		return ret;

Reviewed-by: Baochen Qiang <baochen.qiang at oss.qualcomm.com>