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-rw-r--r--src/libsystemd/sd-device/sd-device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c
index 16c518fced..d0cba5b860 100644
--- a/src/libsystemd/sd-device/sd-device.c
+++ b/src/libsystemd/sd-device/sd-device.c
@@ -274,7 +274,7 @@ _public_ int sd_device_new_from_subsystem_sysname(sd_device **ret, const char *s
const char *subsys, *sep;
sep = strchr(sysname, ':');
- if (sep) {
+ if (sep && sep[1] != '\0') { /* Require ":" and something non-empty after that. */
subsys = memdupa_suffix0(sysname, sep - sysname);
if (snprintf_ok(syspath, sizeof syspath, "/sys/subsystem/%s/drivers/%s", subsys, sep + 1) &&