diff options
| author | Zhang Changzhong <zhangchangzhong@huawei.com> | 2020-07-17 11:04:39 +0300 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2020-11-04 00:30:32 +0300 |
| commit | e002103b36a695f7cb6048b96da73e66c86ddffb (patch) | |
| tree | d97b28939f26bf39b765cb29880e8e80be9e4471 | |
| parent | c3ddac4b0c9a280d4d5b670b4d39c50fee88579e (diff) | |
| download | linux-e002103b36a695f7cb6048b96da73e66c86ddffb.tar.xz | |
can: ti_hecc: ti_hecc_probe(): add missed clk_disable_unprepare() in error path
The driver forgets to call clk_disable_unprepare() in error path after
a success calling for clk_prepare_enable().
Fix it by adding a clk_disable_unprepare() in error path.
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1594973079-27743-1-git-send-email-zhangchangzhong@huawei.com
Fixes: befa60113ce7 ("can: ti_hecc: add missing prepare and unprepare of the clock")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
| -rw-r--r-- | drivers/net/can/ti_hecc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index 1d63006c97bc..9913f5458279 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -933,7 +933,7 @@ static int ti_hecc_probe(struct platform_device *pdev) err = clk_prepare_enable(priv->clk); if (err) { dev_err(&pdev->dev, "clk_prepare_enable() failed\n"); - goto probe_exit_clk; + goto probe_exit_release_clk; } priv->offload.mailbox_read = ti_hecc_mailbox_read; @@ -942,7 +942,7 @@ static int ti_hecc_probe(struct platform_device *pdev) err = can_rx_offload_add_timestamp(ndev, &priv->offload); if (err) { dev_err(&pdev->dev, "can_rx_offload_add_timestamp() failed\n"); - goto probe_exit_clk; + goto probe_exit_disable_clk; } err = register_candev(ndev); @@ -960,7 +960,9 @@ static int ti_hecc_probe(struct platform_device *pdev) probe_exit_offload: can_rx_offload_del(&priv->offload); -probe_exit_clk: +probe_exit_disable_clk: + clk_disable_unprepare(priv->clk); +probe_exit_release_clk: clk_put(priv->clk); probe_exit_candev: free_candev(ndev); |