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authorThomas Gleixner <tglx@linutronix.de>2017-06-20 01:37:21 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-22 18:21:14 +0200
commitcba4235e6031e9318d68186f6d765c531cbea4e1 (patch)
treeec9f8f0663028e4fbd2c64f5a3b7065c2b902bef /kernel/irq/proc.c
parent8e7b632237df8b17526411d1d98f838580bb6aa3 (diff)
genirq: Remove mask argument from setup_affinity()
No point to have this alloc/free dance of cpumasks. Provide a static mask for setup_affinity() and protect it proper. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Keith Busch <keith.busch@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Christoph Hellwig <hch@lst.de> Link: http://lkml.kernel.org/r/20170619235444.851571573@linutronix.de
Diffstat (limited to 'kernel/irq/proc.c')
-rw-r--r--kernel/irq/proc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index c53edad7b459..d35bb8d4c317 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -120,9 +120,11 @@ static ssize_t write_irq_affinity(int type, struct file *file,
* one online CPU still has to be targeted.
*/
if (!cpumask_intersects(new_value, cpu_online_mask)) {
- /* Special case for empty set - allow the architecture
- code to set default SMP affinity. */
- err = irq_select_affinity_usr(irq, new_value) ? -EINVAL : count;
+ /*
+ * Special case for empty set - allow the architecture code
+ * to set default SMP affinity.
+ */
+ err = irq_select_affinity_usr(irq) ? -EINVAL : count;
} else {
irq_set_affinity(irq, new_value);
err = count;