fstab_find: also try to call realpath()

For symlinks and non-absolute paths.

* sutils/fstab.c (fstab_find): Also call `fstab_find_device' and
`fstab_find_mount' on path returned by `realpath'.

1 files changed, 23 insertions, 1 deletions

diff --git a/sutils/fstab.c b/sutils/fstab.c
index e40572e2..19b03f50 100644
--- a/sutils/fstab.c
+++ b/sutils/fstab.c
@@ -497,7 +497,29 @@ fstab_find_mount (const struct fstab *fstab, const char *name)
 inline struct fs *
 fstab_find (const struct fstab *fstab, const char *name)
 {
-  return fstab_find_device (fstab, name) ?: fstab_find_mount (fstab, name);
+  struct fs *ret;
+  const char *real_name;
+
+  ret = fstab_find_device (fstab, name);
+  if (ret)
+    return ret;
+
+  ret = fstab_find_mount (fstab, name);
+  if (ret)
+    return ret;
+
+  real_name = realpath (name, NULL);
+
+  ret = fstab_find_device (fstab, real_name);
+  if (ret) {
+    free (real_name);
+    return ret;
+  }
+
+  ret = fstab_find_mount (fstab, real_name);
+  free (real_name);
+
+  return ret;
 }
 
 /* Cons FS onto the beginning of FSTAB's entry list.  */