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PCI: pciehp: Make queue_interrupt_event() void

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Nobody looks at the return value from queue_interrupt_event(), so errors
were silently ignored.  Convert it to a "void" function and note the error
in the dmesg log.

No functional change except the new message.

Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Rajat Jain <[email protected]>
Acked-by: Yinghai Lu <[email protected]>
This commit is contained in:
Bjorn Helgaas 2015-06-14 21:27:52 -05:00
commit 7d852b68ba
1 changed files with 6 additions and 7 deletions
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13
drivers/pci/hotplug/pciehp_ctrl.c
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@ -37,21 +37,20 @@
static void interrupt_event_handler(struct work_struct *work);
static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
static void queue_interrupt_event(struct slot *p_slot, u32 event_type)
{
struct event_info *info;
info = kmalloc(sizeof(*info), GFP_ATOMIC);
if (!info)
return -ENOMEM;
if (!info) {
ctrl_err(p_slot->ctrl, "dropped event %d (ENOMEM)\n", event_type);
return;
}
INIT_WORK(&info->work, interrupt_event_handler);
info->event_type = event_type;
info->p_slot = p_slot;
INIT_WORK(&info->work, interrupt_event_handler);
queue_work(p_slot->wq, &info->work);
return 0;
}
u8 pciehp_handle_attention_button(struct slot *p_slot)