linux-kernel - [PATCH 2/5] irq: fix existing domain check in irq_domain

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-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1316017900-19918-3-git-send-email-robherring2@gmail.com>
Date:	Wed, 14 Sep 2011 11:31:37 -0500
From:	Rob Herring <robherring2@...il.com>
To:	linux-arm-kernel@...ts.infradead.org,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc:	grant.likely@...retlab.ca, marc.zyngier@....com,
	thomas.abraham@...aro.org, jamie@...ieiles.com, b-cousson@...com,
	shawn.guo@...aro.org, Rob Herring <rob.herring@...xeda.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 2/5] irq: fix existing domain check in irq_domain_add

From: Rob Herring <rob.herring@...xeda.com>

irq_data will normally exist, so the domain was prevented from being set.
The simple domain code did not hit this as nr_irq is always 0.

Signed-off-by: Rob Herring <rob.herring@...xeda.com>
Cc: Grant Likely <grant.likely@...retlab.ca>
Cc: Thomas Gleixner <tglx@...utronix.de>
---
 kernel/irq/irqdomain.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index d5828da..84f4110 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -29,7 +29,7 @@ void irq_domain_add(struct irq_domain *domain)
 	 */
 	for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
 		d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
-		if (d || d->domain) {
+		if (d && d->domain) {
 			/* things are broken; just report, don't clean up */
 			WARN(1, "error: irq_desc already assigned to a domain");
 			return;
-- 
1.7.5.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/