Commit-ID: 31299f44f42dd8dbc5ed200d3064f9c6ddbd3447 Gitweb: http://git.kernel.org/tip/31299f44f42dd8dbc5ed200d3064f9c6ddbd3447 Author: Matthias Kaehlcke <mka@xxxxxxxxxxxx> AuthorDate: Wed, 12 Apr 2017 11:20:30 -0700 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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 <mka@xxxxxxxxxxxx> Cc: Grant Grundler <grundler@xxxxxxxxxxxx> Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx> Cc: Greg Hackmann <ghackmann@xxxxxxxxxx> Cc: Michael Davidson <md@xxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/20170412182030.83657-2-mka@xxxxxxxxxxxx Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- 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; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|