diff mbox series

[v2,net-next,10/23] ipv6: add net device refcount tracker to rt6_probe_deferred()

Message ID 20211203024640.1180745-11-eric.dumazet@gmail.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net: add preliminary netdev refcount tracking | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count fail Series longer than 15 patches (and no cover letter)
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1 this patch: 1
netdev/cc_maintainers warning 2 maintainers not CCed: yoshfuji@linux-ipv6.org dsahern@kernel.org
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 1
netdev/checkpatch warning WARNING: Missing commit description - Add an appropriate one
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Eric Dumazet Dec. 3, 2021, 2:46 a.m. UTC 
From: Eric Dumazet <edumazet@google.com>

Signed-off-by: Eric Dumazet <edumazet@google.com>
---
 net/ipv6/route.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index ba4dc94d76d63c98ff49c41b712231f81eb8af40..8d834f901b483edf75c493620d38f979a4bcbf69 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -593,6 +593,7 @@  struct __rt6_probe_work {
 	struct work_struct work;
 	struct in6_addr target;
 	struct net_device *dev;
+	netdevice_tracker dev_tracker;
 };
 
 static void rt6_probe_deferred(struct work_struct *w)
@@ -603,7 +604,7 @@  static void rt6_probe_deferred(struct work_struct *w)
 
 	addrconf_addr_solict_mult(&work->target, &mcaddr);
 	ndisc_send_ns(work->dev, &work->target, &mcaddr, NULL, 0);
-	dev_put(work->dev);
+	dev_put_track(work->dev, &work->dev_tracker);
 	kfree(work);
 }
 
@@ -657,7 +658,7 @@  static void rt6_probe(struct fib6_nh *fib6_nh)
 	} else {
 		INIT_WORK(&work->work, rt6_probe_deferred);
 		work->target = *nh_gw;
-		dev_hold(dev);
+		dev_hold_track(dev, &work->dev_tracker, GFP_KERNEL);
 		work->dev = dev;
 		schedule_work(&work->work);
 	}