From ff9f732a87caa5f7bab72bea3aaad58db9b1ac60 Mon Sep 17 00:00:00 2001 From: Anilkumar Kolli Date: Thu, 8 Apr 2021 10:27:10 +0530 Subject: [PATCH] ath11k: fix warning in ath11k_mhi_config Initialize static variable ath11k_mhi_config for all hw_rev, return error for unknown hw_rev. This patch fixes below Smatch warning: drivers/net/wireless/ath/ath11k/mhi.c:357 ath11k_mhi_register() error: uninitialized symbol 'ath11k_mhi_config'. Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1-01734-QCAHKSWPL_SILICONZ-1 Fixes: a233811ef600 ("ath11k: Add qcn9074 mhi controller config") Reported-by: Dan Carpenter Signed-off-by: Anilkumar Kolli Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/1617857830-19315-1-git-send-email-akolli@codeaurora.org --- drivers/net/wireless/ath/ath11k/mhi.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c index 626764d..27b394d 100644 --- a/drivers/net/wireless/ath/ath11k/mhi.c +++ b/drivers/net/wireless/ath/ath11k/mhi.c @@ -349,10 +349,19 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci) mhi_ctrl->read_reg = ath11k_mhi_op_read_reg; mhi_ctrl->write_reg = ath11k_mhi_op_write_reg; - if (ab->hw_rev == ATH11K_HW_QCA6390_HW20) - ath11k_mhi_config = &ath11k_mhi_config_qca6390; - else if (ab->hw_rev == ATH11K_HW_QCN9074_HW10) + switch (ab->hw_rev) { + case ATH11K_HW_QCN9074_HW10: ath11k_mhi_config = &ath11k_mhi_config_qcn9074; + break; + case ATH11K_HW_QCA6390_HW20: + ath11k_mhi_config = &ath11k_mhi_config_qca6390; + break; + default: + ath11k_err(ab, "failed assign mhi_config for unknown hw rev %d\n", + ab->hw_rev); + mhi_free_controller(mhi_ctrl); + return -EINVAL; + } ret = mhi_register_controller(mhi_ctrl, ath11k_mhi_config); if (ret) { -- 2.7.4