linux-kernel - [PATCH 3.2 022/131] hpsa: fix bad -ENOMEM return value in hpsa_big_passthru

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Message-ID: <lsq.1410438733.613194760@decadent.org.uk>
Date:	Thu, 11 Sep 2014 13:32:13 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Scott Teel" <scott.teel@...com>,
	"Robert Elliott" <elliott@...com>,
	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>,
	"Joe Handzik" <joseph.t.handzik@...com>,
	"Christoph Hellwig" <hch@....de>
Subject: [PATCH 3.2 022/131] hpsa: fix bad -ENOMEM return value in
 hpsa_big_passthru_ioctl

3.2.63-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: "Stephen M. Cameron" <scameron@...rdog.cce.hp.com>

commit 0758f4f732b08b6ef07f2e5f735655cf69fea477 upstream.

When copy_from_user fails, return -EFAULT, not -ENOMEM

Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
Reported-by: Robert Elliott <elliott@...com>
Reviewed-by: Joe Handzik <joseph.t.handzik@...com>
Reviewed-by: Scott Teel <scott.teel@...com>
Reviewed by: Mike MIller <michael.miller@...onical.com>
Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/scsi/hpsa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2769,7 +2769,7 @@ static int hpsa_big_passthru_ioctl(struc
 		}
 		if (ioc->Request.Type.Direction == XFER_WRITE) {
 			if (copy_from_user(buff[sg_used], data_ptr, sz)) {
-				status = -ENOMEM;
+				status = -EFAULT;
 				goto cleanup1;
 			}
 		} else

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