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authorJakub Kicinski <kuba@kernel.org>2025-11-13 12:32:50 -0800
committerJakub Kicinski <kuba@kernel.org>2025-11-13 12:35:38 -0800
commitc99ebb6132595b4b288a413981197eb076547c5a (patch)
tree6ef2de29b7afb5f1107b8e11489c09f0a5290260 /net/core/netpoll.c
parentf694d215d34035cc64b1d176fd82db0d1f2428d4 (diff)
parentd0309c054362a235077327b46f727bc48878a3bc (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.18-rc6). No conflicts, adjacent changes in: drivers/net/phy/micrel.c 96a9178a29a6 ("net: phy: micrel: lan8814 fix reset of the QSGMII interface") 61b7ade9ba8c ("net: phy: micrel: Add support for non PTP SKUs for lan8814") and a trivial one in tools/testing/selftests/drivers/net/Makefile. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/netpoll.c')
-rw-r--r--net/core/netpoll.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index c85f740065fc..331764845e8f 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -811,6 +811,10 @@ static void __netpoll_cleanup(struct netpoll *np)
if (!npinfo)
return;
+ /* At this point, there is a single npinfo instance per netdevice, and
+ * its refcnt tracks how many netpoll structures are linked to it. We
+ * only perform npinfo cleanup when the refcnt decrements to zero.
+ */
if (refcount_dec_and_test(&npinfo->refcnt)) {
const struct net_device_ops *ops;
@@ -820,8 +824,7 @@ static void __netpoll_cleanup(struct netpoll *np)
RCU_INIT_POINTER(np->dev->npinfo, NULL);
call_rcu(&npinfo->rcu, rcu_cleanup_netpoll_info);
- } else
- RCU_INIT_POINTER(np->dev->npinfo, NULL);
+ }
skb_pool_flush(np);
}