6.16-stable review patch. If anyone has any objections, please let me know.
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From: Alok Tiwari alok.a.tiwari@oracle.com
[ Upstream commit a125c8fb9ddbcb0602103a50727a476fd30dec01 ]
In mctp_getsockopt(), unrecognized options currently return -EINVAL. In contrast, mctp_setsockopt() returns -ENOPROTOOPT for unknown options.
Update mctp_getsockopt() to also return -ENOPROTOOPT for unknown options. This aligns the behavior of getsockopt() and setsockopt(), and matches the standard kernel socket API convention for handling unsupported options.
Fixes: 99ce45d5e7db ("mctp: Implement extended addressing") Signed-off-by: Alok Tiwari alok.a.tiwari@oracle.com Link: https://patch.msgid.link/20250902102059.1370008-1-alok.a.tiwari@oracle.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- net/mctp/af_mctp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mctp/af_mctp.c b/net/mctp/af_mctp.c index 9d5db3feedec5..4dee06171361e 100644 --- a/net/mctp/af_mctp.c +++ b/net/mctp/af_mctp.c @@ -346,7 +346,7 @@ static int mctp_getsockopt(struct socket *sock, int level, int optname, return 0; }
- return -EINVAL; + return -ENOPROTOOPT; }
/* helpers for reading/writing the tag ioc, handling compatibility across the