This is a note to let you know that I've just added the patch titled ipv4/fib: don't warn when primary address is missing if in_dev is dead to the 4.5-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: ipv4-fib-don-t-warn-when-primary-address-is-missing-if-in_dev-is-dead.patch and it can be found in the queue-4.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Mon May 16 11:20:33 PDT 2016 From: Paolo Abeni <pabeni@xxxxxxxxxx> Date: Thu, 21 Apr 2016 22:23:31 +0200 Subject: ipv4/fib: don't warn when primary address is missing if in_dev is dead From: Paolo Abeni <pabeni@xxxxxxxxxx> [ Upstream commit 391a20333b8393ef2e13014e6e59d192c5594471 ] After commit fbd40ea0180a ("ipv4: Don't do expensive useless work during inetdev destroy.") when deleting an interface, fib_del_ifaddr() can be executed without any primary address present on the dead interface. The above is safe, but triggers some "bug: prim == NULL" warnings. This commit avoids warning if the in_dev is dead Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/ipv4/fib_frontend.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -904,7 +904,11 @@ void fib_del_ifaddr(struct in_ifaddr *if if (ifa->ifa_flags & IFA_F_SECONDARY) { prim = inet_ifa_byprefix(in_dev, any, ifa->ifa_mask); if (!prim) { - pr_warn("%s: bug: prim == NULL\n", __func__); + /* if the device has been deleted, we don't perform + * address promotion + */ + if (!in_dev->dead) + pr_warn("%s: bug: prim == NULL\n", __func__); return; } if (iprim && iprim != prim) { Patches currently in stable-queue which might be from pabeni@xxxxxxxxxx are queue-4.5/ipv4-fib-don-t-warn-when-primary-address-is-missing-if-in_dev-is-dead.patch queue-4.5/net-route-enforce-hoplimit-max-value.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html