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authorThomas Gleixner <tglx@linutronix.de>2019-05-06 12:04:12 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-05-06 12:04:12 +0200
commitfb4e0592654adb31bc6f3a738d6499b816a655d6 (patch)
treee6edaf18cf3a7f49e93fb51de5a47f4b9e786f53 /net/ipv4/tcp_ipv4.c
parent471ba0e686cb13752bc1ff3216c54b69a2d250ea (diff)
parent16e32c3cde7763ab875b9030b443ecbc8e352d8a (diff)
Merge tag 'irqchip-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier - The huge (and terrifying) TI INTR/INTA set of drivers - Rewrite of the stm32mp1-exti driver as a platform driver - Update the IOMMU MSI mapping API to be RT friendly - A number of cleanups and other low impact fixes
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 277d71239d75..2f8039a26b08 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2578,7 +2578,8 @@ static void __net_exit tcp_sk_exit(struct net *net)
{
int cpu;
- module_put(net->ipv4.tcp_congestion_control->owner);
+ if (net->ipv4.tcp_congestion_control)
+ module_put(net->ipv4.tcp_congestion_control->owner);
for_each_possible_cpu(cpu)
inet_ctl_sock_destroy(*per_cpu_ptr(net->ipv4.tcp_sk, cpu));