From: Gilad Ben-Yossef <gilad@benyossef.com>
Date: Thu, 16 Jan 2020 10:14:40 +0000 (+0200)
Subject: crypto: ccree - fix pm wrongful error reporting
X-Git-Tag: v5.4.19~205
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d8760030e7017558faa748ba62376be5ab6babf1;p=platform%2Fkernel%2Flinux-rpi.git

crypto: ccree - fix pm wrongful error reporting

commit cedca59fae5834af8445b403c66c9953754375d7 upstream.

pm_runtime_get_sync() can return 1 as a valid (none error) return
code. Treat it as such.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c
index dbc508f..a01e4bc 100644
--- a/drivers/crypto/ccree/cc_pm.c
+++ b/drivers/crypto/ccree/cc_pm.c
@@ -85,7 +85,7 @@ int cc_pm_get(struct device *dev)
 	else
 		pm_runtime_get_noresume(dev);
 
-	return rc;
+	return (rc == 1 ? 0 : rc);
 }
 
 int cc_pm_put_suspend(struct device *dev)