[PATCH v2 4/6] ath11k: set register access length for MHI driver

Bhaumik Bhatt bbhatt at codeaurora.org
Tue May 4 16:37:56 PDT 2021


MHI driver requires register space length to add range checks and
prevent memory region accesses outside of that for MMIO space.
Set it before registering the MHI controller.

Signed-off-by: Bhaumik Bhatt <bbhatt at codeaurora.org>
---
 drivers/net/wireless/ath/ath11k/mhi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index 09858e5..c0f013c 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.c
+++ b/drivers/net/wireless/ath/ath11k/mhi.c
@@ -235,6 +235,7 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci)
 	mhi_ctrl->cntrl_dev = ab->dev;
 	mhi_ctrl->fw_image = ab_pci->amss_path;
 	mhi_ctrl->regs = ab->mem;
+	mhi_ctrl->reg_len = ab->mem_len;
 
 	ret = ath11k_mhi_get_msi(ab_pci);
 	if (ret) {
-- 
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