This is a note to let you know that I've just added the patch titled RDMA/hns: Fix mismatch exception rollback to the 6.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rdma-hns-fix-mismatch-exception-rollback.patch and it can be found in the queue-6.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 78bbbbc0ce9f63ec34f0ba4492041278cc5ef5e9 Author: wenglianfa <wenglianfa@xxxxxxxxxx> Date: Fri Apr 12 17:16:12 2024 +0800 RDMA/hns: Fix mismatch exception rollback [ Upstream commit dc3bda6e568e9310b7cd07769dd70a3f0cd696ca ] When dma_alloc_coherent() fails in hns_roce_alloc_hem(), just call kfree() to release hem instead of hns_roce_free_hem(). Fixes: c00743cbf2b8 ("RDMA/hns: Simplify 'struct hns_roce_hem' allocation") Signed-off-by: wenglianfa <wenglianfa@xxxxxxxxxx> Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20240412091616.370789-7-huangjunxian6@xxxxxxxxxxxxx Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index a4b3f19161dc1..658c522be7583 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -281,7 +281,7 @@ static struct hns_roce_hem *hns_roce_alloc_hem(struct hns_roce_dev *hr_dev, return hem; fail: - hns_roce_free_hem(hr_dev, hem); + kfree(hem); return NULL; }