netdev - [PATCH] at1700: fix double free

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]

Message-Id: <1278678686-7215-1-git-send-email-segooon@gmail.com>
Date:	Fri,  9 Jul 2010 16:31:26 +0400
From:	Kulikov Vasiliy <segooon@...il.com>
To:	kernel-janitors@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>,
	Jiri Pirko <jpirko@...hat.com>, Joe Perches <joe@...ches.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org
Subject: [PATCH] at1700: fix double free_irq

free_irq() is called both in net_close() and cleanup_card().  Since it
is requested in at1700_probe1(), leave free_irq() only in cleanup_card()
for balance.

Signed-off-by: Kulikov Vasiliy <segooon@...il.com>
---
 drivers/net/at1700.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/drivers/net/at1700.c b/drivers/net/at1700.c
index 93185f5..8987689 100644
--- a/drivers/net/at1700.c
+++ b/drivers/net/at1700.c
@@ -811,10 +811,8 @@ static int net_close(struct net_device *dev)
 	/* No statistic counters on the chip to update. */
 
 	/* Disable the IRQ on boards of fmv18x where it is feasible. */
-	if (lp->jumpered) {
+	if (lp->jumpered)
 		outb(0x00, ioaddr + IOCONFIG1);
-		free_irq(dev->irq, dev);
-	}
 
 	/* Power-down the chip.  Green, green, green! */
 	outb(0x00, ioaddr + CONFIG_1);
-- 
1.7.0.4

--
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