X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=libudev%2Flibudev-monitor.c;h=a3789c4d1340561e468f1b32629c2c9cfe0be18e;hb=83184d008ba23724fd30996440534c0633a0d0aa;hp=b3e5d5f348499bb20acb0a208fe414cfb75b4861;hpb=f712894dd4c2a2d8e374de133b7ed854e203fa96;p=elogind.git

diff --git a/libudev/libudev-monitor.c b/libudev/libudev-monitor.c
index b3e5d5f34..a3789c4d1 100644
--- a/libudev/libudev-monitor.c
+++ b/libudev/libudev-monitor.c
@@ -625,8 +625,11 @@ retry:
 	if (memcmp(buf, "libudev", 8) == 0) {
 		/* udev message needs proper version magic */
 		nlh = (struct udev_monitor_netlink_header *) buf;
-		if (nlh->magic != htonl(UDEV_MONITOR_MAGIC))
+		if (nlh->magic != htonl(UDEV_MONITOR_MAGIC)) {
+			err(udev_monitor->udev, "ignored a message from an invalid release of udevadm (%x != %x)\n",
+			    nlh->magic, htonl(UDEV_MONITOR_MAGIC));
 			return NULL;
+		}
 		if (nlh->properties_off+32 > buflen)
 			return NULL;
 		bufpos = nlh->properties_off;