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authorRobert Richter <robert.richter@amd.com>2011-11-08 15:52:15 +0100
committerRobert Richter <robert.richter@amd.com>2011-11-08 15:52:15 +0100
commitde346b6949063aa040ef607943b072835294f4b3 (patch)
tree11f5a10b9ab41a10ea26bf8ab1f133b802e7559e /kernel/irq
parentdcfce4a095932e6e95d83ad982be3609947963bc (diff)
parent9c48f1c629ecfa114850c03f875c6691003214de (diff)
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Merge branch 'perf/core' into oprofile/master
Merge reason: Resolve conflicts with Don's NMI rework: commit 9c48f1c629ecfa114850c03f875c6691003214de Author: Don Zickus <dzickus@redhat.com> Date: Fri Sep 30 15:06:21 2011 -0400 x86, nmi: Wire up NMI handlers to new routines Conflicts: arch/x86/oprofile/nmi_timer_int.c Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'kernel/irq')
-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 d5828da3fd38..b57a3776de44 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;