Unverified Commit 3dfb6585 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!5313 bus: mhi: host: Add alignment check for event ring read pointer 

Merge Pull Request from: @ci-robot 
 
PR sync from: Cai Xinchen <caixinchen1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/5P43BOOHUNGIIKEKWN4KMVY6UIJOVG5I/ 
 
https://gitee.com/openeuler/kernel/issues/I99JF1 
 
Link:https://gitee.com/openeuler/kernel/pulls/5313

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 1bd7f51e 0d6072db

drivers/bus/mhi/host/main.c

+2 −1
Original line number Diff line number Diff line
@@ -222,7 +222,8 @@ static void mhi_del_ring_element(struct mhi_controller *mhi_cntrl, 


static bool is_valid_ring_ptr(struct mhi_ring *ring, dma_addr_t addr)

{

	return addr >= ring->iommu_base && addr < ring->iommu_base + ring->len;

	return addr >= ring->iommu_base && addr < ring->iommu_base + ring->len &&

			!(addr & (sizeof(struct mhi_tre) - 1));

}



int mhi_destroy_device(struct device *dev, void *data)