wait_for_completion_timeout() returns 0 if timed out, and positive (at
least 1, or number of jiffies left till timeout) if completed.
In case of timeout, return -ETIMEDOUT.
Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
Compile tested only.
---
drivers/firmware/turris-mox-rwtm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c
index 6ea5789a89e2..577e87e1c6ee 100644
--- a/drivers/firmware/turris-mox-rwtm.c
+++ b/drivers/firmware/turris-mox-rwtm.c
@@ -200,8 +200,8 @@ static int mox_get_board_info(struct mox_rwtm *rwtm)
return ret;
ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2);
- if (ret < 0)
- return ret;
+ if (ret == 0)
+ return -ETIMEDOUT;
ret = mox_get_status(MBOX_CMD_BOARD_INFO, reply->retval);
if (ret == -ENODATA) {
--
2.34.1
