From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
[ Upstream commit 7891d0a5ce6f627132d3068ba925cf86f29008b1 ]
This code has two problems:
1) The devm_ioremap() function returns NULL, not error pointers.
2) It's checking the wrong variable. ->mmio instead of ->acp_mmio.
Fixes: d8f48fbdfd9a ("soundwire: amd: Add support for AMD Manager driver")
Suggested-by: "Mukunda,Vijendar" <vijendar.mukunda@xxxxxxx>
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Link: https://lore.kernel.org/r/9863b2bf-0de2-4bf8-8f09-fe24dc5c63ff@moroto.mountain
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/soundwire/amd_manager.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index 9fb7f91ca1827..21c638e38c51f 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -910,9 +910,9 @@ static int amd_sdw_manager_probe(struct platform_device *pdev)
return -ENOMEM;
amd_manager->acp_mmio = devm_ioremap(dev, res->start, resource_size(res));
- if (IS_ERR(amd_manager->mmio)) {
+ if (!amd_manager->acp_mmio) {
dev_err(dev, "mmio not found\n");
- return PTR_ERR(amd_manager->mmio);
+ return -ENOMEM;
}
amd_manager->instance = pdata->instance;
amd_manager->mmio = amd_manager->acp_mmio +
--
2.39.2
