[PATCH AUTOSEL 6.9 26/40] platform/mellanox: nvsw-sn2201: Add check for platform_device_add_resources

From: Sasha Levin
Date: Tue Jul 09 2024 - 12:29:05 EST


From: Chen Ni <nichen@xxxxxxxxxxx>

[ Upstream commit d56fbfbaf592a115b2e11c1044829afba34069d2 ]

Add check for the return value of platform_device_add_resources() and
return the error if it fails in order to catch the error.

Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240605032745.2916183-1-nichen@xxxxxxxxxxx
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/platform/mellanox/nvsw-sn2201.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/mellanox/nvsw-sn2201.c b/drivers/platform/mellanox/nvsw-sn2201.c
index 3ef655591424c..abe7be602f846 100644
--- a/drivers/platform/mellanox/nvsw-sn2201.c
+++ b/drivers/platform/mellanox/nvsw-sn2201.c
@@ -1198,6 +1198,7 @@ static int nvsw_sn2201_config_pre_init(struct nvsw_sn2201 *nvsw_sn2201)
static int nvsw_sn2201_probe(struct platform_device *pdev)
{
struct nvsw_sn2201 *nvsw_sn2201;
+ int ret;

nvsw_sn2201 = devm_kzalloc(&pdev->dev, sizeof(*nvsw_sn2201), GFP_KERNEL);
if (!nvsw_sn2201)
@@ -1205,8 +1206,10 @@ static int nvsw_sn2201_probe(struct platform_device *pdev)

nvsw_sn2201->dev = &pdev->dev;
platform_set_drvdata(pdev, nvsw_sn2201);
- platform_device_add_resources(pdev, nvsw_sn2201_lpc_io_resources,
+ ret = platform_device_add_resources(pdev, nvsw_sn2201_lpc_io_resources,
ARRAY_SIZE(nvsw_sn2201_lpc_io_resources));
+ if (ret)
+ return ret;

nvsw_sn2201->main_mux_deferred_nr = NVSW_SN2201_MAIN_MUX_DEFER_NR;
nvsw_sn2201->main_mux_devs = nvsw_sn2201_main_mux_brdinfo;
--
2.43.0