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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2015-03-25 08:05:49 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-03-25 11:49:52 +0100 |
| commit | 57fe1b263907430a27fabcfde11a144caac9f5cd (patch) | |
| tree | c96bf9d0a311dcb58a207aa0387ae37a3eee28e7 /arch/s390 | |
| parent | 304987e36577e308be483113fa85cef8d1b948d8 (diff) | |
| download | linux-stable-57fe1b263907430a27fabcfde11a144caac9f5cd.tar.gz linux-stable-57fe1b263907430a27fabcfde11a144caac9f5cd.tar.bz2 linux-stable-57fe1b263907430a27fabcfde11a144caac9f5cd.zip | |
s390/irq: enforce correct irqclass_sub_desc array size
Add a BUILD_BUG_ON() to enforce that irqclass_sub_desc contains the required
number of defined interrupt descriptions and won't be filled up with zeros.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/irq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index f238720690f3..02ab9aa3812e 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -56,7 +56,7 @@ static const struct irq_class irqclass_main_desc[NR_IRQS_BASE] = { * /proc/interrupts. * In addition this list contains non external / I/O events like NMIs. */ -static const struct irq_class irqclass_sub_desc[NR_ARCH_IRQS] = { +static const struct irq_class irqclass_sub_desc[] = { {.irq = IRQEXT_CLK, .name = "CLK", .desc = "[EXT] Clock Comparator"}, {.irq = IRQEXT_EXC, .name = "EXC", .desc = "[EXT] External Call"}, {.irq = IRQEXT_EMS, .name = "EMS", .desc = "[EXT] Emergency Signal"}, @@ -94,6 +94,7 @@ static const struct irq_class irqclass_sub_desc[NR_ARCH_IRQS] = { void __init init_IRQ(void) { + BUILD_BUG_ON(ARRAY_SIZE(irqclass_sub_desc) != NR_ARCH_IRQS); init_cio_interrupts(); init_airq_interrupts(); init_ext_interrupts(); |