diff options
| author | Marek Behún <kabel@kernel.org> | 2024-07-15 13:59:10 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2024-07-15 16:57:33 +0200 |
| commit | 0bafb172b111ab27251af0eb684e7bde9570ce4c (patch) | |
| tree | cc854db9d998bf66bd4fa1a1fc9bd97ef172b407 /drivers/firmware/turris-mox-rwtm.c | |
| parent | MAINTAINERS: drop riscv list from cache controllers (diff) | |
| download | linux-0bafb172b111ab27251af0eb684e7bde9570ce4c.tar.xz linux-0bafb172b111ab27251af0eb684e7bde9570ce4c.zip | |
firmware: turris-mox-rwtm: Do not complete if there are no waiters
Do not complete the "command done" completion if there are no waiters.
This can happen if a wait_for_completion() timed out or was interrupted.
Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to '')
| -rw-r--r-- | drivers/firmware/turris-mox-rwtm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c index 31d962cdd6eb..f1f9160c4195 100644 --- a/drivers/firmware/turris-mox-rwtm.c +++ b/drivers/firmware/turris-mox-rwtm.c @@ -2,7 +2,7 @@ /* * Turris Mox rWTM firmware driver * - * Copyright (C) 2019 Marek Behún <kabel@kernel.org> + * Copyright (C) 2019, 2024 Marek Behún <kabel@kernel.org> */ #include <linux/armada-37xx-rwtm-mailbox.h> @@ -174,6 +174,9 @@ static void mox_rwtm_rx_callback(struct mbox_client *cl, void *data) struct mox_rwtm *rwtm = dev_get_drvdata(cl->dev); struct armada_37xx_rwtm_rx_msg *msg = data; + if (completion_done(&rwtm->cmd_done)) + return; + rwtm->reply = *msg; complete(&rwtm->cmd_done); } |