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-rw-r--r--drivers/char/ipmi/ipmi_ssif.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 22c6a2e61236..8ac390c2b514 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -775,10 +775,14 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
flags = ipmi_ssif_lock_cond(ssif_info, &oflags);
msg = ssif_info->curr_msg;
if (msg) {
+ if (data) {
+ if (len > IPMI_MAX_MSG_LENGTH)
+ len = IPMI_MAX_MSG_LENGTH;
+ memcpy(msg->rsp, data, len);
+ } else {
+ len = 0;
+ }
msg->rsp_size = len;
- if (msg->rsp_size > IPMI_MAX_MSG_LENGTH)
- msg->rsp_size = IPMI_MAX_MSG_LENGTH;
- memcpy(msg->rsp, data, msg->rsp_size);
ssif_info->curr_msg = NULL;
}