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net: socket: Return ENOTSUP for unknown socket type in recvfrom()

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If we for some reason are supplied unsupported socket type in
recvfrom(), then return ENOTSUP error to the caller instead of
silently accept it by returning 0.

Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
This commit is contained in:
Jukka Rissanen 2023-11-27 12:50:27 +02:00 committed by Carles Cufí
parent 5539a47eb6
commit 1961adfb96
1 changed files with 5 additions and 3 deletions
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8
subsys/net/lib/sockets/sockets.c
View file

@ -1684,11 +1684,13 @@ ssize_t zsock_recvfrom_ctx(struct net_context *ctx, void *buf, size_t max_len,
return zsock_recv_dgram(ctx, NULL, buf, max_len, flags, src_addr, addrlen);
} else if (sock_type == SOCK_STREAM) {
return zsock_recv_stream(ctx, NULL, buf, max_len, flags);
} else {
__ASSERT(0, "Unknown socket type");
}
return 0;
__ASSERT(0, "Unknown socket type");
errno = ENOTSUP;
return -1;
}
ssize_t z_impl_zsock_recvfrom(int sock, void *buf, size_t max_len, int flags,