lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:	Wed, 26 Nov 2008 12:38:20 -0800
From:	Divy Le Ray <divy@...lsio.com>
To:	jeff@...zik.org
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, swise@...ngridcomputing.com
Subject: [PATCH 2/4 2.6.29] cxgb3 - avoid potential memory leak.

From: Divy Le Ray <divy@...lsio.com>

Add consistency in alloc_ring() parameter checking
to avoid potential memory leaks.
alloc_ring() callers are correct fo far.

Signed-off-by: Divy Le Ray <divy@...lsio.com>
---

 drivers/net/cxgb3/sge.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 268f158..bc6a8dc 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -549,16 +549,15 @@ static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size,
 
 	if (!p)
 		return NULL;
-	if (sw_size) {
+	if (sw_size && metadata) {
 		s = kcalloc(nelem, sw_size, GFP_KERNEL);
 
 		if (!s) {
 			dma_free_coherent(&pdev->dev, len, p, *phys);
 			return NULL;
 		}
-	}
-	if (metadata)
 		*(void **)metadata = s;
+	}
 	memset(p, 0, len);
 	return p;
 }

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists