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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:33 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:33 +0000 |
| commit | a097cf30108c0151cb2684afd962bd2678ff97d7 (patch) | |
| tree | de1ac8afc7248eec4b2fb60496b8e9273452d9f7 /net/hsr | |
| parent | Adding upstream version 6.1.82. (diff) | |
| download | linux-a097cf30108c0151cb2684afd962bd2678ff97d7.tar.xz linux-a097cf30108c0151cb2684afd962bd2678ff97d7.zip | |
Adding upstream version 6.1.85.upstream/6.1.85
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/hsr')
| -rw-r--r-- | net/hsr/hsr_framereg.c | 4 | ||||
| -rw-r--r-- | net/hsr/hsr_main.c | 15 |
2 files changed, 15 insertions, 4 deletions
diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c index 0b0199878..e44a039e3 100644 --- a/net/hsr/hsr_framereg.c +++ b/net/hsr/hsr_framereg.c @@ -235,6 +235,10 @@ struct hsr_node *hsr_get_node(struct hsr_port *port, struct list_head *node_db, */ if (ethhdr->h_proto == htons(ETH_P_PRP) || ethhdr->h_proto == htons(ETH_P_HSR)) { + /* Check if skb contains hsr_ethhdr */ + if (skb->mac_len < sizeof(struct hsr_ethhdr)) + return NULL; + /* Use the existing sequence_nr from the tag as starting point * for filtering duplicate frames. */ diff --git a/net/hsr/hsr_main.c b/net/hsr/hsr_main.c index b099c3150..257b50124 100644 --- a/net/hsr/hsr_main.c +++ b/net/hsr/hsr_main.c @@ -148,14 +148,21 @@ static struct notifier_block hsr_nb = { static int __init hsr_init(void) { - int res; + int err; BUILD_BUG_ON(sizeof(struct hsr_tag) != HSR_HLEN); - register_netdevice_notifier(&hsr_nb); - res = hsr_netlink_init(); + err = register_netdevice_notifier(&hsr_nb); + if (err) + return err; + + err = hsr_netlink_init(); + if (err) { + unregister_netdevice_notifier(&hsr_nb); + return err; + } - return res; + return 0; } static void __exit hsr_exit(void) |