msg could be null without checking null and return, but still dereference
msg->rsp[2] and will lead to a null pointer trigger.
Signed-off-by: Haowen Bai <baihao...@meizu.com>
---
drivers/char/ipmi/ipmi_ssif.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index f199cc1..9383de3 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -814,7 +814,7 @@ static void msg_done_handler(struct ssif_info *ssif_info,
int result,
break;
case SSIF_GETTING_EVENTS:
- if ((result < 0) || (len < 3) || (msg->rsp[2] != 0)) {
+ if ((result < 0) || (len < 3) || (msg && (msg->rsp[2] != 0))) {
/* Error getting event, probably done. */
msg->done(msg);
--
2.7.4
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