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-rw-r--r--src/libsystemd/sd-device/sd-device.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c
index 0c5b2a67e3..bf9c753db5 100644
--- a/src/libsystemd/sd-device/sd-device.c
+++ b/src/libsystemd/sd-device/sd-device.c
@@ -1181,6 +1181,8 @@ static int device_set_sysname_and_sysnum(sd_device *device) {
r = path_extract_filename(device->devpath, &sysname);
if (r < 0)
return r;
+ if (r == O_DIRECTORY)
+ return -EINVAL;
/* some devices have '!' in their name, change that to '/' */
for (p = strchrnul(sysname, '!'); *p != '\0'; p = strchrnul(p, '!'))
@@ -1457,6 +1459,8 @@ int device_get_device_id(sd_device *device, const char **ret) {
r = path_extract_filename(device->devpath, &sysname);
if (r < 0)
return r;
+ if (r == O_DIRECTORY)
+ return -EINVAL;
if (streq(subsystem, "drivers")) {
/* the 'drivers' pseudo-subsystem is special, and needs the real