Messages in this thread Patch in this message | | | From | Adnan Dizdarevic <> | Subject | [PATCH] net/packet: Allow MSG_NOSIGNAL flag in packet_recvmsg | Date | Wed, 8 Mar 2023 15:18:55 +0000 |
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By adding MSG_NOSIGNAL flag to allowed flags in packet_recvmsg, this patch fixes io_uring recvmsg operations returning -EINVAL when used with packet socket file descriptors.
In io_uring, MSG_NOSIGNAL flag is added in: io_uring/net.c/io_recvmsg_prep
Signed-off-by: Adnan Dizdarevic <adnan.dizdarevic@eks-intec.de> --- net/packet/af_packet.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index d4e76e2ae153..5ce62194af9e 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -3410,7 +3410,8 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, unsigned int origlen = 0; err = -EINVAL; - if (flags & ~(MSG_PEEK|MSG_DONTWAIT|MSG_TRUNC|MSG_CMSG_COMPAT|MSG_ERRQUEUE)) + if (flags & ~(MSG_PEEK | MSG_DONTWAIT | MSG_TRUNC | MSG_CMSG_COMPAT | + MSG_ERRQUEUE | MSG_NOSIGNAL)) goto out; #if 0 -- 2.37.2
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