From c3ac751944ab8ca89d8b2e33fa58920798a4400c Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Mon, 25 Oct 2021 21:56:27 +0100 Subject: [PATCH] spi: spi-rpc-if: Check return value of rpcif_sw_init() [ Upstream commit 0b0a281ed7001d4c4f4c47bdc84680c4997761ca ] rpcif_sw_init() can fail so make sure we check the return value of it and on error exit rpcif_spi_probe() callback with error code. Fixes: eb8d6d464a27 ("spi: add Renesas RPC-IF driver") Signed-off-by: Lad Prabhakar Reviewed-by: Biju Das Reviewed-by: Wolfram Sang Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20211025205631.21151-4-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-rpc-if.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-rpc-if.c b/drivers/spi/spi-rpc-if.c index 3579675485a5..727d7cf0a6ad 100644 --- a/drivers/spi/spi-rpc-if.c +++ b/drivers/spi/spi-rpc-if.c @@ -139,7 +139,9 @@ static int rpcif_spi_probe(struct platform_device *pdev) return -ENOMEM; rpc = spi_controller_get_devdata(ctlr); - rpcif_sw_init(rpc, parent); + error = rpcif_sw_init(rpc, parent); + if (error) + return error; platform_set_drvdata(pdev, ctlr);