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Date: Wed, 11 Jul 2018 03:21:26 +0100 From: Al Viro <viro@...IV.linux.org.uk> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, Miklos Szeredi <mszeredi@...hat.com>, stable@...nel.org Subject: [RFC][PATCH 02/42] cxl_getfile(): fix double-iput() on alloc_file() failures From: Al Viro <viro@...iv.linux.org.uk> Doing iput() after path_put() is wrong. Cc: stable@...nel.org Signed-off-by: Al Viro <viro@...iv.linux.org.uk> --- drivers/misc/cxl/api.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index 753b1a698fc4..6b16946f9b05 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -103,15 +103,15 @@ static struct file *cxl_getfile(const char *name, d_instantiate(path.dentry, inode); file = alloc_file(&path, OPEN_FMODE(flags), fops); - if (IS_ERR(file)) - goto err_dput; + if (IS_ERR(file)) { + path_put(&path); + goto err_fs; + } file->f_flags = flags & (O_ACCMODE | O_NONBLOCK); file->private_data = priv; return file; -err_dput: - path_put(&path); err_inode: iput(inode); err_fs: -- 2.11.0
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