nsiproxy.sys: Explicitly check for recvmsg() failure.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com> Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

nsiproxy.sys: Explicitly check for recvmsg() failure.
03ad57d2 · Eric Pouech · Alexandre Julliard · 24e54677 · 03ad57d2
Commit 03ad57d2 authored Mar 11, 2022 by Eric Pouech Committed by Alexandre Julliard Mar 11, 2022
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icmp_echo.c dlls/nsiproxy.sys/icmp_echo.c +1 -0

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--- a/dlls/nsiproxy.sys/icmp_echo.c
+++ b/dlls/nsiproxy.sys/icmp_echo.c
@@ -709,6 +709,7 @@ static NTSTATUS recv_msg( struct icmp_data *data, struct icmp_listen_params *par
    TRACE( "recvmsg() rets %d errno %d addr_len %d iovlen %d msg_flags %x\n",
           recvd, errno, msg.msg_namelen, (int)iov[0].iov_len, msg.msg_flags );
+    if (recvd < 0) goto skip;
    if (!data->ops->parse_ip_hdr( &msg, recvd, &ip_hdr_len, &ctx )) goto skip;
    if (recvd < ip_hdr_len + sizeof(*icmp_hdr)) goto skip;