Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.9 051/255] can: ti_hecc: ti_hecc_probe(): add missed clk_disable_unprepare() in error path | Date | Tue, 17 Nov 2020 14:03:11 +0100 |
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From: Zhang Changzhong <zhangchangzhong@huawei.com>
[ Upstream commit e002103b36a695f7cb6048b96da73e66c86ddffb ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/can/ti_hecc.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index 94b1491b569f3..228ecd45ca6c1 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -950,7 +950,7 @@ 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; @@ -959,7 +959,7 @@ 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); @@ -977,7 +977,9 @@ 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); -- 2.27.0
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