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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:39 +0000
commita51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd (patch)
tree13f5692a56e72fd7da499f399ec0f91e68905c40 /net/ipv4/ip_sockglue.c
parentAdding debian version 4.19.282-1. (diff)
downloadlinux-a51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd.tar.xz
linux-a51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd.zip
Merging upstream version 4.19.289.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ipv4/ip_sockglue.c')
-rw-r--r--net/ipv4/ip_sockglue.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 82f341e84..fbf39077f 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -316,7 +316,14 @@ int ip_cmsg_send(struct sock *sk, struct msghdr *msg, struct ipcm_cookie *ipc,
ipc->tos = val;
ipc->priority = rt_tos2priority(ipc->tos);
break;
-
+ case IP_PROTOCOL:
+ if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)))
+ return -EINVAL;
+ val = *(int *)CMSG_DATA(cmsg);
+ if (val < 1 || val > 255)
+ return -EINVAL;
+ ipc->protocol = val;
+ break;
default:
return -EINVAL;
}
@@ -1522,6 +1529,9 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
case IP_MINTTL:
val = inet->min_ttl;
break;
+ case IP_PROTOCOL:
+ val = inet_sk(sk)->inet_num;
+ break;
default:
release_sock(sk);
return -ENOPROTOOPT;