diff options
author | Dmitry Torokhov <dtor@insightbb.com> | 2006-12-08 01:07:56 -0500 |
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committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-12-08 01:07:56 -0500 |
commit | bef986502fa398b1785a3979b1aa17cd902d3527 (patch) | |
tree | b59c1afe7b1dfcc001b86e54863f550d7ddc8c34 /kernel/irq/manage.c | |
parent | 4bdbd2807deeccc0793d57fb5120d7a53f2c0b3c (diff) | |
parent | c99767974ebd2a719d849fdeaaa1674456f5283f (diff) |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/usb/input/hid.h
Diffstat (limited to 'kernel/irq/manage.c')
-rw-r--r-- | kernel/irq/manage.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 6879202afe9..b385878c6e8 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -216,6 +216,7 @@ int setup_irq(unsigned int irq, struct irqaction *new) { struct irq_desc *desc = irq_desc + irq; struct irqaction *old, **p; + const char *old_name = NULL; unsigned long flags; int shared = 0; @@ -255,8 +256,10 @@ int setup_irq(unsigned int irq, struct irqaction *new) * set the trigger type must match. */ if (!((old->flags & new->flags) & IRQF_SHARED) || - ((old->flags ^ new->flags) & IRQF_TRIGGER_MASK)) + ((old->flags ^ new->flags) & IRQF_TRIGGER_MASK)) { + old_name = old->name; goto mismatch; + } #if defined(CONFIG_IRQ_PER_CPU) /* All handlers must agree on per-cpuness */ @@ -322,11 +325,13 @@ int setup_irq(unsigned int irq, struct irqaction *new) return 0; mismatch: - spin_unlock_irqrestore(&desc->lock, flags); if (!(new->flags & IRQF_PROBE_SHARED)) { printk(KERN_ERR "IRQ handler type mismatch for IRQ %d\n", irq); + if (old_name) + printk(KERN_ERR "current handler: %s\n", old_name); dump_stack(); } + spin_unlock_irqrestore(&desc->lock, flags); return -EBUSY; } |