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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
commit282c335ad1bf4d21fcedff132e19995c24c09adc (patch)
treed24dc7bfbb3a6b4bfd5b46964347ada86f72d751 /net/ipv4/igmp.c
parentAdding upstream version 4.19.289. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.304.upstream/4.19.304upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--net/ipv4/igmp.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index a08acb54b..5edf426fa 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -221,8 +221,10 @@ static void igmp_start_timer(struct ip_mc_list *im, int max_delay)
int tv = prandom_u32() % max_delay;
im->tm_running = 1;
- if (!mod_timer(&im->timer, jiffies+tv+2))
- refcount_inc(&im->refcnt);
+ if (refcount_inc_not_zero(&im->refcnt)) {
+ if (mod_timer(&im->timer, jiffies + tv + 2))
+ ip_ma_put(im);
+ }
}
static void igmp_gq_start_timer(struct in_device *in_dev)
@@ -357,8 +359,9 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, unsigned int mtu)
struct flowi4 fl4;
int hlen = LL_RESERVED_SPACE(dev);
int tlen = dev->needed_tailroom;
- unsigned int size = mtu;
+ unsigned int size;
+ size = min(mtu, IP_MAX_MTU);
while (1) {
skb = alloc_skb(size + hlen + tlen,
GFP_ATOMIC | __GFP_NOWARN);