linux-kernel - [PATCH] getirq: fix /proc/interrupts output alignment

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Message-Id: <20170210165416.5629-1-hsweeten@visionengravers.com>
Date:   Fri, 10 Feb 2017 09:54:16 -0700
From:   H Hartley Sweeten <hsweeten@...ionengravers.com>
To:     linux-kernel@...r.kernel.org
Cc:     H Hartley Sweeten <hsweeten@...ionengravers.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH] getirq: fix /proc/interrupts output alignment

If the irq_desc being output does not have a domain the information
following the 'name' is not aligned correctly.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
---
 kernel/irq/proc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index feaa813..c53edad 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -487,6 +487,8 @@ int show_interrupts(struct seq_file *p, void *v)
 	}
 	if (desc->irq_data.domain)
 		seq_printf(p, " %*d", prec, (int) desc->irq_data.hwirq);
+	else
+		seq_printf(p, " %*s", prec, "");
 #ifdef CONFIG_GENERIC_IRQ_SHOW_LEVEL
 	seq_printf(p, " %-8s", irqd_is_level_type(&desc->irq_data) ? "Level" : "Edge");
 #endif
-- 
2.10.0