Commit-ID: 31299f44f42dd8dbc5ed200d3064f9c6ddbd3447 Gitweb: http://git.kernel.org/tip/31299f44f42dd8dbc5ed200d3064f9c6ddbd3447 Author: Matthias Kaehlcke <[email protected]> AuthorDate: Wed, 12 Apr 2017 11:20:30 -0700 Committer: Thomas Gleixner <[email protected]> CommitDate: Fri, 14 Apr 2017 19:50:47 +0200
kernel/irq: 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 <[email protected]> Cc: Grant Grundler <[email protected]> Cc: Rusty Russell <[email protected]> Cc: Greg Hackmann <[email protected]> Cc: Michael Davidson <[email protected]> Cc: Andrew Morton <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- kernel/irq/manage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index a4afe5c..155e3c3 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;
