spi: spi-rpc-if: Check return value of rpcif_sw_init()

[ Upstream commit 0b0a281ed7 ]

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: eb8d6d464a ("spi: add Renesas RPC-IF driver")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211025205631.21151-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lad Prabhakar 2021-10-25 21:56:27 +01:00 committed by Greg Kroah-Hartman
parent ca5c67889b
commit 41c9a411aa

View file

@ -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);