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| author |   Matthias Kaehlcke <mka@chromium.org> | 2017-04-12 11:20:30 -0700 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2017-04-14 20:49:27 +0200 |
| commit | d170fe7dd992b313d4851ae5ab77ee7a51ed8c72 (patch) | |
| tree | 72511dc1e140f80868fcd02d7b15d522866245dd /kernel/irq | |
| parent | cpumask: Add helper cpumask_available() (diff) | |
| download | linux-dev-d170fe7dd992b313d4851ae5ab77ee7a51ed8c72.tar.xz linux-dev-d170fe7dd992b313d4851ae5ab77ee7a51ed8c72.zip | |
genirq: Use cpumask_available() for check of cpumask variable
This fixes the following clang warning when CONFIG_CPUMASK_OFFSTACK=n:
kernel/irq/manage.c:839:28: error: address of array
'desc->irq_common_data.affinity' will always evaluate to 'true'
[-Werror,-Wpointer-bool-conversion]
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Cc: Grant Grundler <grundler@chromium.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Greg Hackmann <ghackmann@google.com>
Cc: Michael Davidson <md@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20170412182030.83657-2-mka@chromium.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/manage.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index a4afe5cc5af1..155e3c3357a1 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -852,7 +852,7 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) * This code is triggered unconditionally. Check the affinity * mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out. */ - if (desc->irq_common_data.affinity) + if (cpumask_available(desc->irq_common_data.affinity)) cpumask_copy(mask, desc->irq_common_data.affinity); else valid = false; |