From: Corey Minyard <[EMAIL PROTECTED]>
Hold handling of ATTN until the upper layer has reported that it is
ready.
Signed-off-by: Corey Minyard <[EMAIL PROTECTED]>
Cc: Patrick Schoeller <[EMAIL PROTECTED]>
---
Index: linux-2.6.24/drivers/char/ipmi/ipmi_si_intf.c
===================================================================
--- linux-2.6.24.orig/drivers/char/ipmi/ipmi_si_intf.c
+++ linux-2.6.24/drivers/char/ipmi/ipmi_si_intf.c
@@ -723,8 +723,11 @@ static enum si_sm_result smi_event_handl
si_sm_result = smi_info->handlers->event(smi_info->si_sm, 0);
}
- /* We prefer handling attn over new messages. */
- if (si_sm_result == SI_SM_ATTN)
+ /*
+ * We prefer handling attn over new messages. But don't do
+ * this if there is not yet an upper layer to handle anything.
+ */
+ if (likely(smi_info->intf) && si_sm_result == SI_SM_ATTN)
{
unsigned char msg[2];
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