Normally in dentry_open the passed in path is placed on the new filp
removing the caller from needing to worry about it.  In the rare case
that we can not allocate a filp the path is not consumed.  None of the
callers of dentry_open call path_put in their error handling when
dentry_open fails so call path_put for them on error and keep everyone's
error handling simple.

Cc: sta...@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com>
---
 fs/open.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/open.c b/fs/open.c
index 4b3e1edf2fe4..0afa243941da 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -843,6 +843,8 @@ struct file *dentry_open(const struct path *path, int flags,
                        put_filp(f);
                        f = ERR_PTR(error);
                }
+       } else {
+               path_put(path);
        }
        return f;
 }
-- 
1.7.5.4

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