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Subject[PATCH 03/12] crypto: caam - check irq_of_parse_and_map for errors
Date
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
---
drivers/crypto/caam/jr.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 7947d61a25cf..2732f3a0725a 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -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 */
--
2.21.0
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