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log an error when a message from the wrong version of udevadm is ignored

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Marco d'Itri
2010-07-19 10:56:37 +02:00
committed by Kay Sievers
parent a466c239a9
commit 9b6c6b5612
1 changed files with 4 additions and 1 deletions
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libudev/libudev-monitor.c
+4 -1
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@@ -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;