Re: [PATCH] fix: ath11k: ath11k_ahb_fw_resources_init: fix device_node reference leak on setup failure

[WenTao Liang]

> 2026年6月26日 23:36，WenTao Liang <vulab@xxxxxxxxxxx> 写道：
> 
> of_get_child_by_name acquires a device_node reference. When the
>  subsequent ath11k_ahb_setup_msa_resources call fails, the function
>  returns immediately without calling of_node_put, leaking the node
>  reference.
> 
> Add of_node_put before returning on the setup failure error path.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Signed-off-by: WenTao Liang <vulab@xxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath11k/ahb.c | 1 +
> 1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c
> index 08d3a0c8f105..8a08275db40a 100644
> --- a/drivers/net/wireless/ath/ath11k/ahb.c
> +++ b/drivers/net/wireless/ath/ath11k/ahb.c
> @@ -996,6 +996,7 @@ static int ath11k_ahb_fw_resources_init(struct ath11k_base *ab)
> 	ret = ath11k_ahb_setup_msa_resources(ab);
> 	if (ret) {
> 		ath11k_err(ab, "failed to setup msa resources\n");
> +		of_node_put(node);
> 		return ret;
> 	}
> 
> -- 
> 2.39.5 (Apple Git-154)

Please ignore this patch. I will resend a proper version after
learning the kernel submission process.

Apologies for the noise.

Best regards,
WenTao Liang