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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2021-10-25 23:56:28 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-27 13:03:07 +0300
commit6b3a83a450ddc2c8de5eeae2fd18e713b328627e (patch)
tree2948cd313f14858adfae2334415b83b0f05ee4c0
parent77d19bad301facba3fdb33da69584e000c6985f1 (diff)
downloadlinux-6b3a83a450ddc2c8de5eeae2fd18e713b328627e.tar.xz
mtd: hyperbus: rpc-if: Check return value of rpcif_sw_init()
[ Upstream commit 981387ed06b96908223a607f5fba6efa42728fc2 ] rpcif_sw_init() can fail so make sure we check the return value of it and on error exit rpcif_hb_probe() callback with error code. Fixes: 5de15b610f78 ("mtd: hyperbus: add Renesas RPC-IF driver") Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.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/20211025205631.21151-5-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/mtd/hyperbus/rpc-if.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mtd/hyperbus/rpc-if.c b/drivers/mtd/hyperbus/rpc-if.c
index ecb050ba95cd..367b0d72bf62 100644
--- a/drivers/mtd/hyperbus/rpc-if.c
+++ b/drivers/mtd/hyperbus/rpc-if.c
@@ -124,7 +124,9 @@ static int rpcif_hb_probe(struct platform_device *pdev)
if (!hyperbus)
return -ENOMEM;
- rpcif_sw_init(&hyperbus->rpc, pdev->dev.parent);
+ error = rpcif_sw_init(&hyperbus->rpc, pdev->dev.parent);
+ if (error)
+ return error;
platform_set_drvdata(pdev, hyperbus);