From da53c5516e3807145a321df08b853d6f9f21c6fc Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Fri, 6 Feb 2015 11:54:30 +0100 Subject: [PATCH] sd-rtnl: don't fall over when receiving 0 bytes from the socket causes EOF. Seems like a kernel bug. Ignoring it seems to work be the best we can do for now... See https://bugs.freedesktop.org/show_bug.cgi?id=88397 --- src/libsystemd/sd-rtnl/rtnl-message.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/libsystemd/sd-rtnl/rtnl-message.c b/src/libsystemd/sd-rtnl/rtnl-message.c index 23253029e..f07289943 100644 --- a/src/libsystemd/sd-rtnl/rtnl-message.c +++ b/src/libsystemd/sd-rtnl/rtnl-message.c @@ -1350,9 +1350,11 @@ static int socket_recv_message(int fd, struct iovec *iov, uint32_t *_group, bool log_debug("rtnl: no data in socket"); return (errno == EAGAIN || errno == EINTR) ? 0 : -errno; - } else if (r == 0) - /* connection was closed by the kernel */ - return -ECONNRESET; + } else if (r == 0) { + /* connection was closed by the kernel? */ + log_warning("rtnl: ignoring empty message"); + return 0; + } for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { if (cmsg->cmsg_level == SOL_SOCKET && -- 2.30.2