From 57449b07eafcc831343013b87b57e928c50d16b4 Mon Sep 17 00:00:00 2001 From: Bhaumik Bhatt Date: Tue, 17 Nov 2020 09:33:56 -0800 Subject: [PATCH] ath11k: use MHI provided APIs to allocate and free MHI controller Use MHI provided APIs to allocate and free MHI controller to improve MHI host driver handling. This also fixes a memory leak as the MHI controller was allocated but never freed. Signed-off-by: Bhaumik Bhatt Reviewed-by: Manivannan Sadhasivam Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/1605634436-36506-1-git-send-email-bbhatt@codeaurora.org --- drivers/net/wireless/ath/ath11k/mhi.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c index 47a1ce1bee4f..8a2068456a09 100644 --- a/drivers/net/wireless/ath/ath11k/mhi.c +++ b/drivers/net/wireless/ath/ath11k/mhi.c @@ -214,7 +214,7 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci) struct mhi_controller *mhi_ctrl; int ret; - mhi_ctrl = kzalloc(sizeof(*mhi_ctrl), GFP_KERNEL); + mhi_ctrl = mhi_alloc_controller(); if (!mhi_ctrl) return -ENOMEM; @@ -230,7 +230,7 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci) ret = ath11k_mhi_get_msi(ab_pci); if (ret) { ath11k_err(ab, "failed to get msi for mhi\n"); - kfree(mhi_ctrl); + mhi_free_controller(mhi_ctrl); return ret; } @@ -248,7 +248,7 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci) ret = mhi_register_controller(mhi_ctrl, &ath11k_mhi_config); if (ret) { ath11k_err(ab, "failed to register to mhi bus, err = %d\n", ret); - kfree(mhi_ctrl); + mhi_free_controller(mhi_ctrl); return ret; } @@ -261,6 +261,7 @@ void ath11k_mhi_unregister(struct ath11k_pci *ab_pci) mhi_unregister_controller(mhi_ctrl); kfree(mhi_ctrl->irq); + mhi_free_controller(mhi_ctrl); } static char *ath11k_mhi_state_to_str(enum ath11k_mhi_state mhi_state) -- GitLab