From: Martin Wilck <mwilck@xxxxxxxx>
All libudev functions may return NULL. Watch out for it.
Fixes: d041258 ("libmultipath: snprint_devices(): use udev_enumerate"
Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
---
libmultipath/print.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libmultipath/print.c b/libmultipath/print.c
index 19de2c7..8151e11 100644
--- a/libmultipath/print.c
+++ b/libmultipath/print.c
@@ -2055,8 +2055,16 @@ int snprint_devices(struct config *conf, char *buff, size_t len,
struct udev_device *u_dev;
path = udev_list_entry_get_name(item);
+ if (!path)
+ continue;
u_dev = udev_device_new_from_syspath(udev, path);
+ if (!u_dev)
+ continue;
devname = udev_device_get_sysname(u_dev);
+ if (!devname) {
+ udev_device_unref(u_dev);
+ continue;
+ }
fwd += snprintf(buff + fwd, len - fwd, " %s", devname);
if (fwd >= len)
--
2.29.2
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