diff options
Diffstat (limited to 'net/ipv4/igmp.c')
| -rw-r--r-- | net/ipv4/igmp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 7182f1419c2a..0adc993c211d 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -227,7 +227,7 @@ static void igmp_start_timer(struct ip_mc_list *im, int max_delay) static void igmp_gq_start_timer(struct in_device *in_dev) { - int tv = get_random_u32_below(in_dev->mr_maxdelay); + int tv = get_random_u32_below(READ_ONCE(in_dev->mr_maxdelay)); unsigned long exp = jiffies + tv + 2; if (in_dev->mr_gq_running && @@ -1009,7 +1009,7 @@ static bool igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb, max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE); if (!max_delay) max_delay = 1; /* can't mod w/ 0 */ - in_dev->mr_maxdelay = max_delay; + WRITE_ONCE(in_dev->mr_maxdelay, max_delay); /* RFC3376, 4.1.6. QRV and 4.1.7. QQIC, when the most recently * received value was zero, use the default or statically |