Messages in this thread Patch in this message |  | | From | Andrey Smirnov <> | Subject | [PATCH 03/12] crypto: caam - check irq_of_parse_and_map for errors | Date | Tue, 3 Sep 2019 19:35:06 -0700 |
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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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