Zhang Shurong <zhang_shurong@xxxxxxxxxxx> wrote: > If there is a failure during copy_from_user or user-provided data > buffer is invalid, rtw_debugfs_copy_from_user should return negative > error code instead of a positive value count. > > Fix this bug by returning correct error code. Moreover, the check > of buffer against null is removed since it will be handled by > copy_from_user. > > Signed-off-by: Zhang Shurong <zhang_shurong@xxxxxxxxxxx> > Reviewed-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> 2 patches applied to wireless-next.git, thanks. 225622256b1b wifi: rtw88: fix incorrect error codes in rtw_debugfs_copy_from_user 770055337772 wifi: rtw88: fix incorrect error codes in rtw_debugfs_set_* -- https://patchwork.kernel.org/project/linux-wireless/patch/tencent_D2EB102CC7435C0110154E62ECA6A7D67505@xxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
