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authorKay Sievers <kay@vrfy.org>2012-11-15 17:30:03 +0100
committerKay Sievers <kay@vrfy.org>2012-11-15 17:30:03 +0100
commit33c770b174ec77d7da6e7e830e0bca9f74d54367 (patch)
tree317497de53316a245e442a7e9cd038154c3dd76b /src/udev/udev-builtin-hwdb.c
parentf72daa64dcfa73c8427663be53d49393e0cbb343 (diff)
udev: hwdb - properly handle a missing database
On Thu, Nov 15, 2012 at 5:05 PM, Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> wrote: > Something like this appeared with latest git: > > Nov 15 16:55:46 fedora-15 systemd-udevd[334]: worker [364] terminated by signal 11 (Segmentation fault) > Nov 15 16:55:46 fedora-15 [387]: Process 364 (systemd-udevd) dumped core. > Nov 15 16:55:46 fedora-15 systemd-udevd[334]: worker [364] failed while handling '/devices/virtual/net/lo' > Nov 15 16:55:46 fedora-15 systemd-udevd[334]: worker [360] terminated by signal 11 (Segmentation fault) > Nov 15 16:55:46 fedora-15 systemd-udevd[334]: worker [360] failed while handling '/devices/pci0000:00/0000:00:03.0/virtio0/net > Nov 15 16:55:46 fedora-15 [389]: Process 360 (systemd-udevd) dumped core. > > Core was generated by usr/lib/systemd/systemd-udevd'. > Program terminated with signal 11, Segmentation fault. > #0 0x0000000000423c87 in udev_hwdb_get_properties_list_entry (hwdb=0x0, modalias=0x7fffbcd155f0
Diffstat (limited to 'src/udev/udev-builtin-hwdb.c')
-rw-r--r--src/udev/udev-builtin-hwdb.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/udev/udev-builtin-hwdb.c b/src/udev/udev-builtin-hwdb.c
index 234448cdf1..0b35d799fe 100644
--- a/src/udev/udev-builtin-hwdb.c
+++ b/src/udev/udev-builtin-hwdb.c
@@ -33,6 +33,9 @@ int udev_builtin_hwdb_lookup(struct udev_device *dev, const char *modalias, bool
struct udev_list_entry *entry;
int n = 0;
+ if (!hwdb)
+ return -ENOENT;
+
udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, modalias, 0)) {
if (udev_builtin_add_property(dev, test,
udev_list_entry_get_name(entry),