[PATCH] Fix uninitialized variable warning in __stp_call_mmap_callbacks_with_addr

[Wade Farnsworth]

When compiling a tapset, gcc complains that dentry may be used uninitialized in
this function.  Initialize it to NULL to prevent this.

Signed-off-by: Wade Farnsworth <wade_farnsworth@mentor.com>
---
 runtime/task_finder.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/runtime/task_finder.c b/runtime/task_finder.c
index 70d5ba1..6be9b07 100644
--- a/runtime/task_finder.c
+++ b/runtime/task_finder.c
@@ -678,7 +678,7 @@ __stp_call_mmap_callbacks_with_addr(struct stap_task_finder_target *tgt,
 	struct vm_area_struct *vma;
 	char *mmpath_buf = NULL;
 	char *mmpath = NULL;
-	struct dentry *dentry;
+	struct dentry *dentry = NULL;
 	unsigned long length = 0;
 	unsigned long offset = 0;
 	unsigned long vm_flags = 0;
-- 
1.7.0.4