From 2c6b02185cc608c19a22691fadc6ca2cd114c286 Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Thu, 11 Feb 2021 08:09:53 +0100 Subject: [PATCH] irq: Simplify condition in irq_matrix_reserve() The if condition in irq_matrix_reserve() can be much simpler. While at it fix a typo in the comment. Signed-off-by: Juergen Gross Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/20210211070953.5914-1-jgross@suse.com --- kernel/irq/matrix.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/irq/matrix.c b/kernel/irq/matrix.c index 7a9465f..6f8b1d1 100644 --- a/kernel/irq/matrix.c +++ b/kernel/irq/matrix.c @@ -337,15 +337,14 @@ void irq_matrix_assign(struct irq_matrix *m, unsigned int bit) * irq_matrix_reserve - Reserve interrupts * @m: Matrix pointer * - * This is merily a book keeping call. It increments the number of globally + * This is merely a book keeping call. It increments the number of globally * reserved interrupt bits w/o actually allocating them. This allows to * setup interrupt descriptors w/o assigning low level resources to it. * The actual allocation happens when the interrupt gets activated. */ void irq_matrix_reserve(struct irq_matrix *m) { - if (m->global_reserved <= m->global_available && - m->global_reserved + 1 > m->global_available) + if (m->global_reserved == m->global_available) pr_warn("Interrupt reservation exceeds available resources\n"); m->global_reserved++; -- 2.7.4