Re: [PATCH] ceph: fix an oops in error handling in ceph_netfs_issue_op

From: Dan Carpenter
Date: Tue Feb 02 2021 - 09:27:39 EST


On Tue, Feb 02, 2021 at 08:10:41AM -0500, Jeff Layton wrote:
> Dan reported a potential oops in the cleanup if ceph_osdc_new_request
> returns an error. Eliminate the unneeded initialization of "req" and
> then just set it to NULL in the case where it holds an ERR_PTR.
>
> Also, drop the unneeded NULL check before calling
> ceph_osdc_put_request.
>
> Fixes: 1cf7fdf52d5a ("ceph: convert readpage to fscache read helper")
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Suggested-by: Ilya Dryomov <idryomov@xxxxxxxxx>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>


Looks good.

Acked-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

regards,
dan carpenter