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Subject[PATCH] genirq: Make - vs ?: precedence explicit
Noticed with a Clang build. This improves the readability of the ?:
expression, as it has lower precedence than the - expression. Show
explicitly that - is evaluated first.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
kernel/irq/matrix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/matrix.c b/kernel/irq/matrix.c
index a3cbbc8191c5..7df2480005f8 100644
--- a/kernel/irq/matrix.c
+++ b/kernel/irq/matrix.c
@@ -384,7 +384,7 @@ unsigned int irq_matrix_available(struct irq_matrix *m, bool cpudown)
{
struct cpumap *cm = this_cpu_ptr(m->maps);

- return m->global_available - cpudown ? cm->available : 0;
+ return (m->global_available - cpudown) ? cm->available : 0;
}

/**
--
2.7.4

--
Kees Cook
Pixel Security

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