[PATCH v4 1/5] winebus: log ERR if find_device_from_devnode() somehow gets called with NULL

[Tuomas Räsänen]

From: Tuomas Räsänen

---
 dlls/winebus.sys/bus_udev.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dlls/winebus.sys/bus_udev.c b/dlls/winebus.sys/bus_udev.c
index 419de2e7af3..da733838dcb 100644
--- a/dlls/winebus.sys/bus_udev.c
+++ b/dlls/winebus.sys/bus_udev.c
@@ -264,6 +264,12 @@ static struct base_device *find_device_from_devnode(const char *path)
 {
     struct base_device *impl;

+    if (!path)
+    {
+        ERR("called find_device_from_devnode(NULL)\n");
+        return NULL;
+    }
+
     LIST_FOR_EACH_ENTRY(impl, &device_list, struct base_device, unix_device.entry)
         if (!strcmp(impl->devnode, path)) return impl;