On Thu, Apr 06, 2023 at 05:32:21PM +0530, Mukunda,Vijendar wrote: > On 06/04/23 14:26, Dan Carpenter wrote: > > The devm_ioremap() function returns NULL on error. It never returns > > error pointers. Update the error checking accordingly. > > > > Fixes: a673a8dfc214 ("soundwire: amd: Add support for AMD Manager driver") > > Signed-off-by: Dan Carpenter <error27@xxxxxxxxx> > > --- > > 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 9fb7f91ca182..9bb8ae8c5f32 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->mmio) { > This will break the functionality. Condition should be > if (!amd_manager->acp_mmio) > > > dev_err(dev, "mmio not found\n"); > > - return PTR_ERR(amd_manager->mmio); > > + return -ENOMEM; Ah crap. You're right. Thanks. I will resend. regards, dan carpenter