sd-device: initialize variable

sysnum would not be initialized if sysname had no trailing digits.

diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c
index da1052c8fbb54d5e0c2bdf7e8ef5409eb7304205..3179d16b213a45a5eb0308f644b90dceed4cbc03 100644 (file)
--- a/src/libsystemd/sd-device/sd-device.c
+++ b/src/libsystemd/sd-device/sd-device.c
@@ -930,7 +930,7 @@ _public_ int sd_device_get_devname(sd_device *device, const char **devname) {
 
 static int device_set_sysname(sd_device *device) {
         _cleanup_free_ char *sysname = NULL;
-        const char *sysnum;
+        const char *sysnum = NULL;
         const char *pos;
         size_t len = 0;