Seevalamuthu Mariappan <quic_seevalam@xxxxxxxxxxx> wrote: > In some scenarios like firmware crashes during init time > and hardware gets restarted after qmi firmware ready event. > During restart, ath11k_core_qmi_firmware_ready() returns timeout. > But, this failure is not handled and ATH11K_FLAG_REGISTERED is set. > > When hardware restart completed, firmware sends firmware ready event > again. Since ATH11K_FLAG_REGISTERED is already set, ath11k handles > this as core restart. Inits are not done because of previous timeout. > But ath11k_core_restart does deinit's which causes NULL pointer crash. > > Fix this by handling failure from ath11k_core_qmi_firmware_ready(). > > Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-00881-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Seevalamuthu Mariappan <quic_seevalam@xxxxxxxxxxx> > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. a19c0e104db9 ath11k: Handle failure in qmi firmware ready -- https://patchwork.kernel.org/project/linux-wireless/patch/1645079195-13564-1-git-send-email-quic_seevalam@xxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
