[PATCH] mt76: mt7921s: fix possible sdio deadlock in command fail

[Lorenzo Bianconi]

> From: Deren Wu <deren.wu at mediatek.com>
> 
> Move sdio_release_host() to final resource handing
> 

Acked-by: Lorenzo Bianconi <lorenzo at kernel.org>

> Fixes: b12deb5e86fa ("mt76: mt7921s: fix mt7921s_mcu_[fw|drv]_pmctrl")
> Reported-by: YN Chen <YN.Chen at mediatek.com>
> Signed-off-by: Deren Wu <deren.wu at mediatek.com>
> ---
>  drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c
> index 54a5c712a3c3..1856d677fff4 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c
> @@ -156,9 +156,9 @@ int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev)
>  
>  	err = readx_poll_timeout(mt76s_read_pcr, &dev->mt76, status,
>  				 !(status & WHLPCR_IS_DRIVER_OWN), 2000, 1000000);
> +err:
>  	sdio_release_host(func);
>  
> -err:
>  	if (err < 0) {
>  		dev_err(dev->mt76.dev, "firmware own failed\n");
>  		clear_bit(MT76_STATE_PM, &mphy->state);
> -- 
> 2.18.0
> 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 228 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-mediatek/attachments/20220613/092fe5ad/attachment.sig>