From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 3 Dec 2014 00:59:42 +0000 (+0100)
Subject: libudev: set errno properly in all error conditions of udev_device_new_from_syspath()
X-Git-Tag: v218~151
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=154e6f233af028cf76608d49a3b7ed8de61373d8

libudev: set errno properly in all error conditions of udev_device_new_from_syspath()
---

diff --git a/src/libudev/libudev-device.c b/src/libudev/libudev-device.c
index 5f196bd9b..16ee1f4be 100644
--- a/src/libudev/libudev-device.c
+++ b/src/libudev/libudev-device.c
@@ -723,8 +723,13 @@ _public_ struct udev_device *udev_device_new_from_syspath(struct udev *udev, con
                         return NULL;
         } else {
                 /* everything else just needs to be a directory */
-                if (stat(path, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))
+                if (stat(path, &statbuf) != 0)
                         return NULL;
+
+                if (!S_ISDIR(statbuf.st_mode)) {
+                        errno = EISDIR;
+                        return NULL;
+                }
         }
 
         udev_device = udev_device_new(udev);