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From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
	"David S. Miller" <davem@davemloft.net>
Subject: [68/82] rose: Fix signedness issues wrt. digi count.
Date: Fri, 19 Nov 2010 13:56:29 -0800	[thread overview]
Message-ID: <20101119215644.336025097@clark.site> (raw)
In-Reply-To: <20101119215658.GA7804@kroah.com

2.6.35-stable review patch.  If anyone has any objections, please let us know.

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


From: David S. Miller <davem@davemloft.net>

[ Upstream commit 9828e6e6e3f19efcb476c567b9999891d051f52f ]

Just use explicit casts, since we really can't change the
types of structures exported to userspace which have been
around for 15 years or so.

Reported-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 net/rose/af_rose.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -679,7 +679,7 @@ static int rose_bind(struct socket *sock
 	if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
 		return -EINVAL;
 
-	if (addr->srose_ndigis > ROSE_MAX_DIGIS)
+	if ((unsigned int) addr->srose_ndigis > ROSE_MAX_DIGIS)
 		return -EINVAL;
 
 	if ((dev = rose_dev_get(&addr->srose_addr)) == NULL) {
@@ -739,7 +739,7 @@ static int rose_connect(struct socket *s
 	if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
 		return -EINVAL;
 
-	if (addr->srose_ndigis > ROSE_MAX_DIGIS)
+	if ((unsigned int) addr->srose_ndigis > ROSE_MAX_DIGIS)
 		return -EINVAL;
 
 	/* Source + Destination digis should not exceed ROSE_MAX_DIGIS */



                 reply	other threads:[~2010-11-19 22:02 UTC|newest]

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