The Linux Kernel Mailing List
 help / color / mirror / Atom feed
* [GIT PULL] irq fixes
@ 2011-09-30 18:16 Ingo Molnar
  2011-09-30 18:35 ` Josh Boyer
  2011-09-30 19:43 ` Thomas Gleixner
  0 siblings, 2 replies; 4+ messages in thread
From: Ingo Molnar @ 2011-09-30 18:16 UTC (permalink / raw)
  To: Linus Torvalds
  Cc: linux-kernel, Thomas Gleixner, Peter Zijlstra, Andrew Morton

Linus,

Please pull the latest irq-urgent-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git irq-urgent-for-linus

 Thanks,

	Ingo

------------------>
Rob Herring (2):
      irq: Add declaration of irq_domain_simple_ops to irqdomain.h
      irq: Fix check for already initialized irq_domain in irq_domain_add


 include/linux/irqdomain.h |    1 +
 kernel/irq/irqdomain.c    |    6 +++++-
 2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index e807ad6..3ad553e 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -80,6 +80,7 @@ extern void irq_domain_del(struct irq_domain *domain);
 #endif /* CONFIG_IRQ_DOMAIN */
 
 #if defined(CONFIG_IRQ_DOMAIN) && defined(CONFIG_OF_IRQ)
+extern struct irq_domain_ops irq_domain_simple_ops;
 extern void irq_domain_add_simple(struct device_node *controller, int irq_base);
 extern void irq_domain_generate_simple(const struct of_device_id *match,
 					u64 phys_base, unsigned int irq_start);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index d5828da..b57a377 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -29,7 +29,11 @@ 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) {
+			WARN(1, "error: assigning domain to non existant irq_desc");
+			return;
+		}
+		if (d->domain) {
 			/* things are broken; just report, don't clean up */
 			WARN(1, "error: irq_desc already assigned to a domain");
 			return;

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2011-10-01  7:02 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-09-30 18:16 [GIT PULL] irq fixes Ingo Molnar
2011-09-30 18:35 ` Josh Boyer
2011-09-30 19:43 ` Thomas Gleixner
2011-10-01  7:01   ` [GIT PULL, v2] " Ingo Molnar

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox