summaryrefslogtreecommitdiff
path: root/kernel/irq/irqdomain.c
diff options
context:
space:
mode:
authorFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2011-10-15 00:14:01 (GMT)
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2011-10-15 00:14:01 (GMT)
commit07aaae44f5a3962c3a410a6dd7936dfa7dece2b9 (patch)
tree0cdb5735800ddd63d8850aa26d3a3f1f3334267a /kernel/irq/irqdomain.c
parent07a062140372187642003e02a49edc8a2115c1ca (diff)
parent976d167615b64e14bc1491ca51d424e2ba9a5e84 (diff)
downloadlinux-07aaae44f5a3962c3a410a6dd7936dfa7dece2b9.tar.xz
Merge commit 'v3.1-rc9' into fbdev-next
Diffstat (limited to 'kernel/irq/irqdomain.c')
-rw-r--r--kernel/irq/irqdomain.c6
1 files changed, 5 insertions, 1 deletions
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;