From cedca59fae5834af8445b403c66c9953754375d7 Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@benyossef.com>
Date: Thu, 16 Jan 2020 12:14:40 +0200
Subject: [PATCH] crypto: ccree - fix pm wrongful error reporting
Git-commit: cedca59fae5834af8445b403c66c9953754375d7
Patch-mainline: v5.6-rc1
References: git-fixes

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>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/crypto/ccree/cc_pm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/crypto/ccree/cc_pm.c
+++ b/drivers/crypto/ccree/cc_pm.c
@@ -87,7 +87,7 @@ 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)