From: Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxx>
If ipc->ops.reply_msg_match is NULL, we may end up using uninitialized
mask value.
reported by smatch:
sound/soc/intel/common/sst-ipc.c:266 sst_ipc_reply_find_msg() error: uninitialized symbol 'mask'.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxx>
---
sound/soc/intel/common/sst-ipc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/soc/intel/common/sst-ipc.c b/sound/soc/intel/common/sst-ipc.c
index 1186a03a88d6..6068bb697e22 100644
--- a/sound/soc/intel/common/sst-ipc.c
+++ b/sound/soc/intel/common/sst-ipc.c
@@ -223,6 +223,8 @@ struct ipc_message *sst_ipc_reply_find_msg(struct sst_generic_ipc *ipc,
if (ipc->ops.reply_msg_match != NULL)
header = ipc->ops.reply_msg_match(header, &mask);
+ else
+ mask = (u64)-1;
if (list_empty(&ipc->rx_list)) {
dev_err(ipc->dev, "error: rx list empty but received 0x%llx\n",
--
2.17.1
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