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authorTom Gundersen <teg@jklm.no>2014-12-29 00:24:00 +0100
committerTom Gundersen <teg@jklm.no>2014-12-29 01:59:49 +0100
commitc7460cce79fd358f2745bd390bd2e7ded450ee62 (patch)
tree83c758ae1662024ddc461151870d53b6aa4044ad
parent0b2bbbdf2f77d685a12862b96e764ac5f1ef8046 (diff)
sd-rtnl: recv_message - drop message when peeking fails
Read the message form the socket or we will loop trying to read the same message repeatedly.
-rw-r--r--src/libsystemd/sd-rtnl/rtnl-message.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/libsystemd/sd-rtnl/rtnl-message.c b/src/libsystemd/sd-rtnl/rtnl-message.c
index 92f318267e..640c0ea93e 100644
--- a/src/libsystemd/sd-rtnl/rtnl-message.c
+++ b/src/libsystemd/sd-rtnl/rtnl-message.c
@@ -1377,9 +1377,17 @@ static int socket_recv_message(int fd, struct iovec *iov, uint32_t *_group, bool
}
}
- if (!auth)
+ if (!auth) {
/* not from the kernel, ignore */
+ if (peek) {
+ /* drop the message */
+ r = recvmsg(fd, &msg, 0);
+ if (r < 0)
+ return (errno == EAGAIN || errno == EINTR) ? 0 : -errno;
+ }
+
return 0;
+ }
if (group)
*_group = group;