[PATCH 5.4 104/309] crypto: ccree - fix pm wrongful error reporting

[Greg Kroah-Hartman]

From: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v4.19+
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 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
@@ -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)