Commit-ID: 258d86eef94fcaa72e088962259490866ad93489
Gitweb: http://git.kernel.org/tip/258d86eef94fcaa72e088962259490866ad93489
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Wed, 13 Sep 2017 23:29:35 +0200
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 25 Sep 2017 20:51:55 +0200
x86/vector: Remove pointless pointer checks
The info pointer checks in assign_irq_vector_policy() are pointless because
the pointer cannot be NULL, otherwise the calling code would already crash.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Tested-by: Juergen Gross <jgross@xxxxxxxx>
Tested-by: Yu Chen <yu.c.chen@xxxxxxxxx>
Acked-by: Juergen Gross <jgross@xxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
Cc: Alok Kataria <akataria@xxxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Rui Zhang <rui.zhang@xxxxxxxxx>
Cc: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>
Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Len Brown <lenb@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/20170913213154.859484148@xxxxxxxxxxxxx
---
arch/x86/kernel/apic/vector.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index d6feb9c..22cae88 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -254,7 +254,7 @@ static int assign_irq_vector_policy(int irq, int node,
struct irq_alloc_info *info,
struct irq_data *irqd)
{
- if (info && info->mask)
+ if (info->mask)
return assign_irq_vector(irq, apicd, info->mask, irqd);
if (node != NUMA_NO_NODE &&
assign_irq_vector(irq, apicd, cpumask_of_node(node), irqd) == 0)
--
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