[PATCH] fs/fuse/file.c: fix "uninitialized variable" warning

[Rajat Jain]

Fix the following warning by initializing the parent to NULL:

In file included from include/linux/fs.h:16:0,
                 from fs/fuse/fuse_i.h:13,
                 from fs/fuse/file.c:9:
fs/fuse/file.c: In function 'fuse_file_poll':
include/linux/rbtree.h:82:28: warning: 'parent' may be used
uninitialized in this function [-Wmaybe-uninitialized]
fs/fuse/file.c:2592:27: note: 'parent' was declared here

Signed-off-by: Rajat Jain <rajatxjain@xxxxxxxxx>
---
 fs/fuse/file.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 77bcc30..2f8783d 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2606,7 +2606,7 @@ static void fuse_register_polled_file(struct fuse_conn *fc,
 {
 	spin_lock(&fc->lock);
 	if (RB_EMPTY_NODE(&ff->polled_node)) {
-		struct rb_node **link, *parent;
+		struct rb_node **link, *parent = NULL;
 
 		link = fuse_find_polled_node(fc, ff->kh, &parent);
 		BUG_ON(*link);
-- 
1.7.9.5

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