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media: cxd2880-spi: Fix an error handling path

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If an error occurs after a successful 'regulator_enable()' call,
'regulator_disable()' must be called.

Fix the error handling path of the probe accordingly.

Fixes: cb496cd472 ("media: cxd2880-spi: Add optional vcc regulator")
Signed-off-by: Christophe JAILLET <[email protected]>
Signed-off-by: Sean Young <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Christophe JAILLET authored and Mauro Carvalho Chehab committed 2021-07-12 14:27:47 +02:00
1 parent 86541f0480
commit dcb0145821
1 file changed
+5 -2
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drivers/media/spi/cxd2880-spi.c
+5 -2
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@@ -524,13 +524,13 @@ cxd2880_spi_probe(struct spi_device *spi)
if (IS_ERR(dvb_spi->vcc_supply)) {
if (PTR_ERR(dvb_spi->vcc_supply) == -EPROBE_DEFER) {
ret = -EPROBE_DEFER;
goto fail_adapter;
goto fail_regulator;
}
dvb_spi->vcc_supply = NULL;
} else {
ret = regulator_enable(dvb_spi->vcc_supply);
if (ret)
goto fail_adapter;
goto fail_regulator;
}
dvb_spi->spi = spi;
@@ -618,6 +618,9 @@ fail_frontend:
fail_attach:
dvb_unregister_adapter(&dvb_spi->adapter);
fail_adapter:
if (!dvb_spi->vcc_supply)
regulator_disable(dvb_spi->vcc_supply);
fail_regulator:
kfree(dvb_spi);
return ret;
}