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[3.11.y.z,extended,stable] Patch "pNFS: Handle allocation errors correctly in filelayout_alloc_layout_hdr()" has been added to staging queue

Message ID 1403778949-10844-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques June 26, 2014, 10:35 a.m. UTC
This is a note to let you know that I have just added a patch titled

    pNFS: Handle allocation errors correctly in filelayout_alloc_layout_hdr()

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From 4f32e5b4cdd3034dde47b8e8f5767e01059a92e0 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Thu, 29 May 2014 20:06:55 -0400
Subject: pNFS: Handle allocation errors correctly in
 filelayout_alloc_layout_hdr()

commit 6df200f5d5191bdde4d2e408215383890f956781 upstream.

Return the NULL pointer when the allocation fails.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 fs/nfs/nfs4filelayout.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
1.9.1
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Patch

diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index 17ed87ef9de8..76a988f31727 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -1301,7 +1301,7 @@  filelayout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags)
 	struct nfs4_filelayout *flo;

 	flo = kzalloc(sizeof(*flo), gfp_flags);
-	return &flo->generic_hdr;
+	return flo != NULL ? &flo->generic_hdr : NULL;
 }

 static void