rules_generator: add missing write_net_rules unlock

[elogind.git] / udev_sysfs.c

diff --git a/udev_sysfs.c b/udev_sysfs.c
index 34ae9ac14fd400758d5d3a618dc527d19a9bbd54..e8909f94f1f6166249fbcad8f571d7c0baa2b790 100644 (file)
--- a/udev_sysfs.c
+++ b/udev_sysfs.c
@@ -355,6 +355,8 @@ char *sysfs_attr_get_value(const char *devpath, const char *attr_name)
 
        dbg("open '%s'/'%s'", devpath, attr_name);
        sysfs_len = strlcpy(path_full, sysfs_path, sizeof(path_full));
+       if(sysfs_len >= sizeof(path_full))
+               sysfs_len = sizeof(path_full) - 1;
        path = &path_full[sysfs_len];
        strlcat(path_full, devpath, sizeof(path_full));
        strlcat(path_full, "/", sizeof(path_full));
@@ -413,7 +415,7 @@ char *sysfs_attr_get_value(const char *devpath, const char *attr_name)
        /* read attribute value */
        fd = open(path_full, O_RDONLY);
        if (fd < 0) {
-               dbg("attribute '%s' does not exist", path_full);
+               dbg("attribute '%s' can not be opened", path_full);
                goto out;
        }
        size = read(fd, value, sizeof(value));