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crypto: caam - check irq_of_parse_and_map for errors

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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 <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Horia Geantă <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Iuliana Prodan <[email protected]>
Cc: [email protected]
Cc: [email protected]
Reviewed-by: Horia Geantă <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Andrey Smirnov 2019-09-03 19:35:06 -07:00 • committed by Herbert Xu
commit 549077d7d8
1 changed files with 4 additions and 0 deletions
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4
drivers/crypto/caam/jr.c
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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 */