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

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[ 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: 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 5b7b4afead
commit c3ac751944
1 changed files with 3 additions and 1 deletions
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4
drivers/spi/spi-rpc-if.c
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@@ -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);