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* [PATCH] pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()
@ 2017-05-19 21:31 Dan Carpenter
  0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2017-05-19 21:31 UTC (permalink / raw)
  To: Trond Myklebust, Tom Haynes
  Cc: Anna Schumaker, Thomas Gleixner, Weston Andros Adamson,
	Fred Isaman, linux-nfs, kernel-janitors

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>

diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index f5714ee01000..23542dc44a25 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -454,6 +454,7 @@ 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;

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2017-05-19 21:31 [PATCH] pNFS/flexfiles: missing error code in ff_layout_alloc_lseg() Dan Carpenter

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