trix@xxxxxxxxxx wrote:
> From: Tom Rix <trix@xxxxxxxxxx>
>
> clang static analyzer reports this problem
>
> init.c:739:8: warning: Called function pointer
> is null (null dereference)
> ret = adapter->if_ops.check_fw_status( ...
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> In mwifiex_dnld_fw, there is an earlier check for check_fw_status(),
> The check was introduced for usb support at the same time this
> check in _mwifiex_fw_dpc() was made
>
> if (adapter->if_ops.dnld_fw) {
> ret = adapter->if_ops.dnld_fw(adapter, &fw);
> } else {
> ret = mwifiex_dnld_fw(adapter, &fw);
> }
>
> And a dnld_fw function initialized as part the usb's
> mwifiex_if_ops.
>
> The other instances of mwifiex_if_ops for pci and sdio
> both set check_fw_status.
>
> So the first check is not needed and can be removed.
>
> Fixes: 4daffe354366 ("mwifiex: add support for Marvell USB8797 chipset")
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
Patch applied to wireless-drivers-next.git, thanks.
eb2c6ca2db8c mwifiex: remove function pointer check
--
https://patchwork.kernel.org/patch/11759719/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
