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sd-rtnl: don't treat 0-length messages specially
author
Tom Gundersen
<teg@jklm.no>
Fri, 6 Feb 2015 13:43:17 +0000
(14:43 +0100)
committer
Tom Gundersen
<teg@jklm.no>
Sun, 8 Feb 2015 15:34:27 +0000
(16:34 +0100)
Still parse the CMSG data, and most importantly make sure we drop the message when peeking.
src/libsystemd/sd-rtnl/rtnl-message.c
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diff --git
a/src/libsystemd/sd-rtnl/rtnl-message.c
b/src/libsystemd/sd-rtnl/rtnl-message.c
index
f072899
..
14a52df
100644
(file)
--- a/
src/libsystemd/sd-rtnl/rtnl-message.c
+++ b/
src/libsystemd/sd-rtnl/rtnl-message.c
@@
-1350,10
+1350,6
@@
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? */
- log_warning("rtnl: ignoring empty message");
- return 0;
}
for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {