Patch "pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()" has been added to the 4.4-stable tree

Patch "pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     pnfs-flexfiles-missing-error-code-in-ff_layout_alloc_lseg.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Tue Apr 10 10:31:53 CEST 2018
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sat, 20 May 2017 00:31:12 +0300
Subject: pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()

From: Dan Carpenter <dan.carpenter@oracle.com>


[ Upstream commit 662f9a105b4322b8559d448f86110e6ec24b8738 ]

If xdr_inline_decode() fails then we end up returning ERR_PTR(0).  The
caller treats NULL returns as -ENOMEM so it doesn't really hurt runtime,
but obviously we intended to set an error code here.

Fixes: d67ae825a59d ("pnfs/flexfiles: Add the FlexFile Layout Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/nfs/flexfilelayout/flexfilelayout.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -461,6 +461,7 @@ ff_layout_alloc_lseg(struct pnfs_layout_
 			goto out_err_free;
 
 		/* fh */
+		rc = -EIO;
 		p = xdr_inline_decode(&stream, 4);
 		if (!p)
 			goto out_err_free;


Patches currently in stable-queue which might be from dan.carpenter@oracle.com are

queue-4.4/block-fix-an-error-code-in-add_partition.patch
queue-4.4/pnfs-flexfiles-missing-error-code-in-ff_layout_alloc_lseg.patch
queue-4.4/drivers-misc-vmw_vmci-vmci_queue_pair.c-fix-a-couple-integer-overflow-tests.patch
queue-4.4/md-cluster-fix-potential-lock-issue-in-add_new_disk.patch
queue-4.4/ipmi_ssif-unlock-on-allocation-failure.patch
queue-4.4/powercap-fix-an-error-code-in-powercap_register_zone.patch
queue-4.4/libceph-null-deref-on-crush_decode-error-path.patch