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path: root/drivers/char/ipmi
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-rw-r--r--drivers/char/ipmi/ipmi_bt_sm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index 58dcdee1cd71..0030cd8e2e95 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -165,7 +165,7 @@ static int bt_start_transaction(struct si_sm_data *bt,
{
unsigned int i;
- if ((size < 2) || (size > IPMI_MAX_MSG_LENGTH))
+ if ((size < 2) || (size > (IPMI_MAX_MSG_LENGTH - 2)))
return -1;
if ((bt->state != BT_STATE_IDLE) && (bt->state != BT_STATE_HOSED))
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