memory: renesas-rpc-if: simplify with PTR_ERR_OR_ZERO

Use PTR_ERR_OR_ZERO to make the code a little bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200724074038.5597-17-krzk@kernel.org

diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c
index 88f51ec8f1d1cff9459afd9d02db9573f1ae4c44..f2a33a1af836120a8c33747fb9ae0188d32a2522 100644 (file)
--- a/drivers/memory/renesas-rpc-if.c
+++ b/drivers/memory/renesas-rpc-if.c
@@ -199,10 +199,8 @@ int rpcif_sw_init(struct rpcif *rpc, struct device *dev)
                rpc->dirmap = NULL;
 
        rpc->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
-       if (IS_ERR(rpc->rstc))
-               return PTR_ERR(rpc->rstc);
 
-       return 0;
+       return PTR_ERR_OR_ZERO(rpc->rstc);
 }
 EXPORT_SYMBOL(rpcif_sw_init);