diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2023-07-19 22:20:10 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-09-19 13:27:59 +0300 |
| commit | 9de7eb95bbe82ab36213790cf93849f023e0e492 (patch) | |
| tree | ab1c022dee7406f9a0cfc28cbcd69132d9bdecd0 /drivers/pwm | |
| parent | c42256a283d607a95be6906412279a7ff3edcaba (diff) | |
| download | linux-9de7eb95bbe82ab36213790cf93849f023e0e492.tar.xz | |
pwm: atmel-tcb: Fix resource freeing in error path and remove
[ Upstream commit c11622324c023415fb69196c5fc3782d2b8cced0 ]
Several resources were not freed in the error path and the remove
function. Add the forgotten items.
Fixes: 34cbcd72588f ("pwm: atmel-tcb: Add sama5d2 support")
Fixes: 061f8572a31c ("pwm: atmel-tcb: Switch to new binding")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-atmel-tcb.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c index 613dd1810fb5..2826fc216d29 100644 --- a/drivers/pwm/pwm-atmel-tcb.c +++ b/drivers/pwm/pwm-atmel-tcb.c @@ -450,16 +450,20 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev) tcbpwm->clk = of_clk_get_by_name(np->parent, clk_name); if (IS_ERR(tcbpwm->clk)) tcbpwm->clk = of_clk_get_by_name(np->parent, "t0_clk"); - if (IS_ERR(tcbpwm->clk)) - return PTR_ERR(tcbpwm->clk); + if (IS_ERR(tcbpwm->clk)) { + err = PTR_ERR(tcbpwm->clk); + goto err_slow_clk; + } match = of_match_node(atmel_tcb_of_match, np->parent); config = match->data; if (config->has_gclk) { tcbpwm->gclk = of_clk_get_by_name(np->parent, "gclk"); - if (IS_ERR(tcbpwm->gclk)) - return PTR_ERR(tcbpwm->gclk); + if (IS_ERR(tcbpwm->gclk)) { + err = PTR_ERR(tcbpwm->gclk); + goto err_clk; + } } tcbpwm->chip.dev = &pdev->dev; @@ -470,7 +474,7 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev) err = clk_prepare_enable(tcbpwm->slow_clk); if (err) - goto err_slow_clk; + goto err_gclk; spin_lock_init(&tcbpwm->lock); @@ -485,6 +489,12 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev) err_disable_clk: clk_disable_unprepare(tcbpwm->slow_clk); +err_gclk: + clk_put(tcbpwm->gclk); + +err_clk: + clk_put(tcbpwm->clk); + err_slow_clk: clk_put(tcbpwm->slow_clk); @@ -498,8 +508,9 @@ static void atmel_tcb_pwm_remove(struct platform_device *pdev) pwmchip_remove(&tcbpwm->chip); clk_disable_unprepare(tcbpwm->slow_clk); - clk_put(tcbpwm->slow_clk); + clk_put(tcbpwm->gclk); clk_put(tcbpwm->clk); + clk_put(tcbpwm->slow_clk); } static const struct of_device_id atmel_tcb_pwm_dt_ids[] = { |