crypto: inside-secure/eip93 - Add check for devm_request_threaded_irq

As the potential failure of the devm_request_threaded_irq(),
it should be better to check the return value and return
error if fails.

Fixes: 9739f5f93b78 ("crypto: eip93 - Add Inside Secure SafeXcel EIP-93 crypto engine support")
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/inside-secure/eip93/eip93-main.c b/drivers/crypto/inside-secure/eip93/eip93-main.c
index 320a37d1f7dc4ea381ef12b7adbf904130ade38d..1a8dabc4ada4a78de9c7847ac656a91d0abf64e4 100644 (file)
--- a/drivers/crypto/inside-secure/eip93/eip93-main.c
+++ b/drivers/crypto/inside-secure/eip93/eip93-main.c
@@ -433,6 +433,8 @@ static int eip93_crypto_probe(struct platform_device *pdev)
        ret = devm_request_threaded_irq(eip93->dev, eip93->irq, eip93_irq_handler,
                                        NULL, IRQF_ONESHOT,
                                        dev_name(eip93->dev), eip93);
+       if (ret)
+               return ret;
 
        eip93->ring = devm_kcalloc(eip93->dev, 1, sizeof(*eip93->ring), GFP_KERNEL);
        if (!eip93->ring)