lib/loopdev: document function return values

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/lib/loopdev.c b/lib/loopdev.c
index 631a120c4dd476da314fc163aef7da60ba4e33a7..fc44ca550a4a702407e6302f3cb6c7974613e6dd 100644 (file)
--- a/lib/loopdev.c
+++ b/lib/loopdev.c
@@ -580,7 +580,7 @@ static int loopcxt_next_from_sysfs(struct loopdev_cxt *lc)
 /*
  * @lc: context, has to initialized by loopcxt_init_iterator()
  *
- * Returns: 0 on success, -1 on error, 1 at the end of scanning. The details
+ * Returns: 0 on success, < 0 on error, 1 at the end of scanning. The details
  *          about the current loop device are available by
  *          loopcxt_get_{fd,backing_file,device,offset, ...} functions.
  */
@@ -1681,6 +1681,9 @@ char *loopdev_get_backing_file(const char *device)
        return res;
 }
 
+/*
+ * Returns: TRUE/FALSE
+ */
 int loopdev_has_backing_file(const char *device)
 {
        char *tmp = loopdev_get_backing_file(device);
@@ -1718,6 +1721,9 @@ int loopdev_is_used(const char *device, const char *filename,
        return rc;
 }
 
+/*
+ * Returns: 0 = success, < 0 error
+ */
 int loopdev_delete(const char *device)
 {
        struct loopdev_cxt lc;