[PATCH 5.5 117/367] crypto: ccree - fix pm wrongful error reporting

Greg Kroah-Hartman
2020-02-10T13:03:32Z

From: Gilad Ben-Yossef <gilad@benyossef.com>

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>

---
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)