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crypto: caam - check irq_of_parse_and_map for errors

Irq_of_parse_and_map will return zero in case of error, so add a error
check for that.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Horia Geantă <horia.geanta@nxp.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Iuliana Prodan <iuliana.prodan@nxp.com>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
alistair/sunxi64-5.4-dsi
Andrey Smirnov 2019-09-03 19:35:06 -07:00 committed by Herbert Xu
parent 05d2a75441
commit 549077d7d8
1 changed files with 4 additions and 0 deletions

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@ -537,6 +537,10 @@ static int caam_jr_probe(struct platform_device *pdev)
/* Identify the interrupt */
jrpriv->irq = irq_of_parse_and_map(nprop, 0);
if (!jrpriv->irq) {
dev_err(jrdev, "irq_of_parse_and_map failed\n");
return -EINVAL;
}
/* Now do the platform independent part */
error = caam_jr_init(jrdev); /* now turn on hardware */