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[net] net: cls_api: Fix uninitialised struct field bo->unlocked_driver_cb

Message ID 1617252768-19320-1-git-send-email-wangyunjian@huawei.com
State New
Headers show
Series [net] net: cls_api: Fix uninitialised struct field bo->unlocked_driver_cb | expand

Commit Message

wangyunjian April 1, 2021, 4:52 a.m. UTC 
From: Yunjian Wang <wangyunjian@huawei.com>

The 'unlocked_driver_cb' struct field in 'bo' is not being initialized
in tcf_block_offload_init(). The uninitialized 'unlocked_driver_cb'
will be used when calling unlocked_driver_cb(). So initialize 'bo' to
zero to avoid the issue.

Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 0fdcf78d5973 ("net: use flow_indr_dev_setup_offload()")
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
 net/sched/cls_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 13341e7fb077..9332ec6863e8 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -646,7 +646,7 @@  static void tc_block_indr_cleanup(struct flow_block_cb *block_cb)
 	struct net_device *dev = block_cb->indr.dev;
 	struct Qdisc *sch = block_cb->indr.sch;
 	struct netlink_ext_ack extack = {};
-	struct flow_block_offload bo;
+	struct flow_block_offload bo = {};
 
 	tcf_block_offload_init(&bo, dev, sch, FLOW_BLOCK_UNBIND,
 			       block_cb->indr.binder_type,