From: Miklos Szeredi <mszer...@suse.cz>
commit b6f4bee02f "fs/9p: Fix atomic_open" fixed the O_EXCL behavior, but
results in a dentry leak if v9fs_vfs_lookup() returns non-NULL.
Signed-off-by: Miklos Szeredi <mszer...@suse.cz>
Cc: Eric Van Hensbergen <eri...@gmail.com>
Cc: M. Mohan Kumar <mo...@in.ibm.com>
Cc: sta...@vger.kernel.org
---
fs/9p/vfs_inode_dotl.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 53687bb..055c159 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -270,10 +270,11 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct
dentry *dentry,
if (!(flags & O_CREAT))
return finish_no_open(file, res);
else if (dentry->d_inode) {
- if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
- return -EEXIST;
- else
- return finish_no_open(file, res);
+ err = -EEXIST;
+ if (flags & O_EXCL)
+ goto out;
+
+ return finish_no_open(file, res);
}
v9ses = v9fs_inode2v9ses(dir);
--
1.8.1.4
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