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pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()

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[ 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: d67ae825a5 ("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>
This commit is contained in:
Dan Carpenter 2017-05-20 00:31:12 +03:00 • committed by Greg Kroah-Hartman
parent 2847cd27cc
commit 9f3e50a54b
1 changed files with 1 additions and 0 deletions
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fs/nfs/flexfilelayout/flexfilelayout.c
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@ -461,6 +461,7 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh,
goto out_err_free;
/* fh */
rc = -EIO;
p = xdr_inline_decode(&stream, 4);
if (!p)
goto out_err_free;