Thread (840 messages) 840 messages, 15 authors, 2021-07-20
STALE1809d

[PATCH 5.13 544/800] RDMA/hns: Fix uninitialized variable

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-07-12 08:45:44
Also in: lkml
Subsystem: hisilicon roce driver, infiniband subsystem, the rest · Maintainers: Chengchang Tang, Junxian Huang, Jason Gunthorpe, Leon Romanovsky, Linus Torvalds

From: Yixing Liu <redacted>

[ Upstream commit 2a38c0f10e6d7d28e06ff1eb1f350804c4850275 ]

A random value will be returned if the condition below is not met, so it
needs to be initialized.

Fixes: 9ea9a53ea93b ("RDMA/hns: Add mapped page count checking for MTR")
Link: https://lore.kernel.org/r/1624011020-16992-3-git-send-email-liweihang@huawei.com (local)
Signed-off-by: Yixing Liu <redacted>
Signed-off-by: Weihang Li <redacted>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/hns/hns_roce_mr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index 79b3c3023fe7..b8454dcb0318 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -776,7 +776,7 @@ int hns_roce_mtr_map(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
 	struct ib_device *ibdev = &hr_dev->ib_dev;
 	struct hns_roce_buf_region *r;
 	unsigned int i, mapped_cnt;
-	int ret;
+	int ret = 0;
 
 	/*
 	 * Only use the first page address as root ba when hopnum is 0, this
-- 
2.30.2


Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help