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 <bhelg...@google.com>
---
drivers/pci/hotplug/pciehp_ctrl.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c
b/drivers/pci/hotplug/pciehp_ctrl.c
index 4bdaf62..1086041 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -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)
--
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