X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev-add.c;h=802d85b5b07d408fe612b41398b2416abc061a73;hp=33ee633fd8765a5fdf0d87a5b87bbb5dfa12c102;hb=c38b796be9ff453903db7b4813f69323b6422695;hpb=5d4754f19521568b775ba7a31465d3af192ce382 diff --git a/udev-add.c b/udev-add.c index 33ee633fd..802d85b5b 100644 --- a/udev-add.c +++ b/udev-add.c @@ -100,6 +100,7 @@ static int create_path(char *file) static int create_node(struct udevice *dev) { + struct stat stats; char filename[255]; char linktarget[255]; char *linkname; @@ -193,7 +194,7 @@ static int create_node(struct udevice *dev) symlinks = dev->symlink; while (1) { linkname = strsep(&symlinks, " "); - if (linkname == NULL) + if (linkname == NULL || linkname[0] == '\0') break; strncpy(filename, udev_root, sizeof(filename)); @@ -221,6 +222,16 @@ static int create_node(struct udevice *dev) strcpy(linktarget, "./"); strcat(linktarget, &dev->name[tail]); + /* unlink existing non-directories to ensure that our symlink + * is created */ + if (lstat(filename, &stats) == 0) { + if ((stats.st_mode & S_IFMT) != S_IFDIR) { + if (unlink(filename)) + dbg("unlink(%s) failed with error '%s'", + filename, strerror(errno)); + } + } + dbg("symlink(%s, %s)", linktarget, filename); retval = symlink(linktarget, filename); if (retval) @@ -242,9 +253,9 @@ static struct sysfs_class_device *get_class_dev(char *device_name) dbg("looking at '%s'", dev_path); /* open up the sysfs class device for this thing... */ - class_dev = sysfs_open_class_device(dev_path); + class_dev = sysfs_open_class_device_path(dev_path); if (class_dev == NULL) { - dbg ("sysfs_open_class_device failed"); + dbg ("sysfs_open_class_device_path failed"); goto exit; } dbg("class_dev->name='%s'", class_dev->name);