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ipmi: hold ATTN until upper layer ready

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Hold handling of ATTN until the upper layer has reported that it is
ready.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Patrick Schoeller <Patrick.Schoeller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Corey Minyard 2008-04-29 01:01:01 -07:00 committed by Linus Torvalds
parent 02fdb36ae7
commit 4ea1842543
1 changed files with 5 additions and 2 deletions
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7
drivers/char/ipmi/ipmi_si_intf.c
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@ -723,8 +723,11 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info,
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];