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wdt: dw: Free the clock on error 

The clock subsystem requires that clk_free be called on clocks obtained via
clk_get_*.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Sean Anderson 2021-03-10 21:02:20 -05:00 committed by Leo Yu-Chi Liang
parent 4cb0ab4ebc
commit 97bcdd28ad
1 changed files with 13 additions and 5 deletions
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18
drivers/watchdog/designware_wdt.c
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@ -131,11 +131,13 @@ static int designware_wdt_probe(struct udevice *dev)
ret = clk_enable(&clk);
if (ret)
return ret;
goto err;
priv->clk_khz = clk_get_rate(&clk) / 1000;
if (!priv->clk_khz)
return -EINVAL;
if (!priv->clk_khz) {
ret = -EINVAL;
goto err;
}
#else
priv->clk_khz = CONFIG_DW_WDT_CLOCK_KHZ;
#endif
@ -145,15 +147,21 @@ static int designware_wdt_probe(struct udevice *dev)
ret = reset_get_bulk(dev, &resets);
if (ret)
return ret;
goto err;
ret = reset_deassert_bulk(&resets);
if (ret)
return ret;
goto err;
}
/* reset to disable the watchdog */
return designware_wdt_stop(dev);
err:
#if CONFIG_IS_ENABLED(CLK)
clk_free(&clk);
#endif
return ret;
}
static const struct wdt_ops designware_wdt_ops = {