diff options
| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-11-22 12:06:44 -0600 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-11-22 12:06:44 -0600 |
| commit | 0bd2af46839ad6262d25714a6ec0365db9d6b98f (patch) | |
| tree | dcced72d230d69fd0c5816ac6dd03ab84799a93e /kernel/irq/manage.c | |
| parent | e138a5d2356729b8752e88520cc1525fae9794ac (diff) | |
| parent | f26b90440cd74c78fe10c9bd5160809704a9627c (diff) | |
| download | linux-0bd2af46839ad6262d25714a6ec0365db9d6b98f.tar.bz2 | |
Merge ../scsi-rc-fixes-2.6
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 6879202afe9a..b385878c6e80 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; } |