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From: "Hans J. Koch" <hjk@hansjkoch.de>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Hans J. Koch" <hjk@hansjkoch.de>,
	Vitalii Demianets <vitas@nppfactor.kiev.ua>,
	Tux9 <tuxding@gmail.com>,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: [PATCH] stable: uio: Fix warning: 'ret' might be used uninitialized
Date: Mon, 3 Dec 2012 08:41:16 +0100	[thread overview]
Message-ID: <20121203074116.GB7723@local> (raw)
In-Reply-To: <20121130234331.GD17353@kroah.com>

In two cases, the return value variable "ret" can be undefined.

Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
Reported-by: Vitalii Demianets <vitas@nppfactor.kiev.ua>

---
 drivers/uio/uio.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 5110f36..0c80df2 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -273,6 +273,7 @@ static int uio_dev_add_attributes(struct uio_device *idev)
 	struct uio_portio *portio;
 
 	for (mi = 0; mi < MAX_UIO_MAPS; mi++) {
+		ret = -ENOMEM;
 		mem = &idev->info->mem[mi];
 		if (mem->size == 0)
 			break;
@@ -298,6 +299,7 @@ static int uio_dev_add_attributes(struct uio_device *idev)
 	}
 
 	for (pi = 0; pi < MAX_UIO_PORT_REGIONS; pi++) {
+		ret = -ENOMEM;
 		port = &idev->info->port[pi];
 		if (port->size == 0)
 			break;
-- 
1.7.9


  reply	other threads:[~2012-12-03  7:41 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-27 11:48 [PATCH] uio.c: Fix warning: 'ret' might be used uninitialized Vitalii Demianets
2012-11-27 12:24 ` Vitalii Demianets
2012-11-27 22:43 ` Hans J. Koch
2012-11-28  8:58   ` Vitalii Demianets
2012-11-28 21:05     ` Hans J. Koch
2012-11-29 16:05       ` Tux9
2012-11-29 16:22         ` Vitalii Demianets
2012-11-29 16:33           ` Cong Ding
2012-11-29 16:36           ` Vitalii Demianets
2012-11-29 23:58             ` Hans J. Koch
2012-11-30 11:12               ` Tux9
2012-11-30 21:33                 ` Hans J. Koch
2012-12-01  1:22                   ` Cong Ding
2012-12-01  3:56                     ` Hans J. Koch
2012-12-01  9:58                       ` Cong Ding
2012-12-03  7:51                         ` Hans J. Koch
2012-11-30 11:16               ` Vitalii Demianets
2012-11-30 21:39                 ` Hans J. Koch
2012-11-30 23:43                   ` Greg Kroah-Hartman
2012-12-03  7:41                     ` Hans J. Koch [this message]
2012-12-03 13:38                       ` [PATCH] stable: uio: " Ben Hutchings
2012-12-03  8:35                   ` [PATCH] uio.c: " Vitalii Demianets
2012-12-03  8:53                     ` Vitalii Demianets
2012-12-03 17:27                       ` Hans J. Koch

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