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| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2021-05-05 17:02:49 +0200 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2021-05-05 17:15:04 +0200 |
| commit | 52a89a5f08230439f07c043d59ded1270842137b (patch) | |
| tree | 5039899125df9c0315ba94db75086b04dabc67ce /src/libsystemd | |
| parent | 3e2d0c6ab2abc0ab85440580931b2462bb73cfda (diff) | |
| download | systemd-52a89a5f08230439f07c043d59ded1270842137b.tar.gz | |
sd-device: reject empty driver name
If ":" was the last char in the string, we would call access() on ".../drivers/", which
would pass. It probably doesn't matter, but let's reject this anyway.
Diffstat (limited to 'src/libsystemd')
| -rw-r--r-- | src/libsystemd/sd-device/sd-device.c | 2 |
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) && |