In case we just want to submit a message to the EC but are not
interested in its response, we can free the response buffer early.
Signed-off-by: Marc Dietrich <marvin24@xxxxxx>
---
drivers/staging/nvec/nvec.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 282a664c9176..45df190c2f94 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -300,7 +300,9 @@ int nvec_write_sync(struct nvec_chip *nvec,
{
mutex_lock(&nvec->sync_write_mutex);
- *msg = NULL;
+ if (msg != NULL)
+ *msg = NULL;
+
nvec->sync_write_pending = (data[1] << 8) + data[0];
if (nvec_write_async(nvec, data, size) < 0) {
@@ -320,7 +322,10 @@ int nvec_write_sync(struct nvec_chip *nvec,
dev_dbg(nvec->dev, "nvec_sync_write: pong!\n");
- *msg = nvec->last_sync_msg;
+ if (msg != NULL)
+ *msg = nvec->last_sync_msg;
+ else
+ nvec_msg_free(nvec, nvec->last_sync_msg);
mutex_unlock(&nvec->sync_write_mutex);
--
2.43.0
