diff options
| author | Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> | 2007-07-24 22:09:09 +0900 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2007-07-25 11:05:48 -0700 |
| commit | 8f5ad1a8227aa110d633b5ed04dde535381c16c7 (patch) | |
| tree | f5f86d26c6225a48fa689a009db98a3cc6f46057 /arch/ia64/kernel/irq_ia64.c | |
| parent | 0de085bb474f64e4fdb2f1ff3268590792648c7b (diff) | |
| download | lwn-8f5ad1a8227aa110d633b5ed04dde535381c16c7.tar.gz lwn-8f5ad1a8227aa110d633b5ed04dde535381c16c7.zip | |
[IA64] vector-domain - handle assign_irq_vector(AUTO_ASSIGN)
This change fixes a panic when assign_irq_vector(irq) is called with
irq = AUTO_ASSIGN.
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel/irq_ia64.c')
| -rw-r--r-- | arch/ia64/kernel/irq_ia64.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 91797c111162..158eafb5f1aa 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -212,9 +212,6 @@ assign_irq_vector (int irq) vector = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); - if (irq < 0) { - goto out; - } for_each_online_cpu(cpu) { domain = vector_allocation_domain(cpu); vector = find_unassigned_vector(domain); @@ -223,6 +220,8 @@ assign_irq_vector (int irq) } if (vector < 0) goto out; + if (irq == AUTO_ASSIGN) + irq = vector; BUG_ON(__bind_irq_vector(irq, vector, domain)); out: spin_unlock_irqrestore(&vector_lock, flags); |