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: a673a8dfc214 ("soundwire: amd: Add support for AMD Manager driver")
Suggested-by: "Mukunda,Vijendar" <vijendar.mukunda@xxxxxxx>
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: Change the variable. My original fix would have prevented the
driver from loading so many thanks to Vijendar for pointing that out.
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 08aeb7ed00e1..3a99f6dcdfaf 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
