From: Jesse Millan <jessem@cs.pdx.edu>
Subject: [KJ] [PATCH] Fix gcc4 warning, leaf_pos may be used uninitialized in this function.


This patch eliminates the warning that is generated
when passing a reference of an uninitialized variable to a function
where it possible that the function will return without initializing
that variable.

Signed-off-by: Jesse Millan <jessem@cs.pdx.edu>

---
 base.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletion(-)

Index: quilt/fs/devfs/base.c
===================================================================
--- quilt.orig/fs/devfs/base.c
+++ quilt/fs/devfs/base.c
@@ -1127,8 +1127,11 @@ static devfs_handle_t _devfs_make_parent
 
 	if (dir == NULL)
 		dir = _devfs_get_root_entry();
-	if (dir == NULL)
+	if (dir == NULL) {
+		/* Function would have returned without initializing 'leaf_pos' */
+		*leaf_pos = 0;
 		return NULL;
+	}
 	devfs_get(dir);
 	/*  Search for possible trailing component and ignore it  */
 	for (--namelen; (namelen > 0) && (name[namelen] != '/'); --namelen) ;