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authorCorey Minyard <cminyard@mvista.com>2008-04-29 01:01:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 08:06:14 -0700
commit4ea18425436e7c72716b7f8d314775f399821195 (patch)
treedc722c409987a9959168174ca9f613e5713787f6
parent02fdb36ae7f55db7757b623acd27a62d5000d755 (diff)
ipmi: hold ATTN until upper layer ready
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>
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 4f560d0bb80..1a8c1ca9055 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -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];