4.17-stable review patch. If anyone has any objections, please let me know.
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From: Al Viro viro@zeniv.linux.org.uk
commit d202797f480c0e5918e7642d6716cdc62b3ab5c9 upstream.
Doing iput() after path_put() is wrong.
Cc: stable@vger.kernel.org Acked-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Al Viro viro@zeniv.linux.org.uk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/misc/cxl/api.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -103,15 +103,15 @@ static struct file *cxl_getfile(const ch 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: