Re: [PATCH] firmware: qcom: uefisecapp: Fix deadlock in qcuefi_acquire()

[Dmitry Baryshkov]

On Thu, Aug 29, 2024 at 10:23:04PM GMT, Dan Carpenter wrote:
> If the __qcuefi pointer is not set, then in the original code, we would
> hold onto the lock.  That means that if we tried to set it later, then
> it would cause a deadlock.  Drop the lock on the error path.  That's
> what all the callers are expecting.
> 
> Fixes: 759e7a2b62eb ("firmware: Add support for Qualcomm UEFI Secure Application")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
>  drivers/firmware/qcom/qcom_qseecom_uefisecapp.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>


-- 
With best wishes
Dmitry