The devm_memremap() function doesn't return NULL, it returns error
pointers.
Fixes: b0310c2f09bb ("USB: use genalloc for USB HCs with local memory")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/usb/core/hcd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index fe631d18c1ed..df8f358685e6 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -3052,8 +3052,8 @@ int usb_hcd_setup_local_mem(struct usb_hcd *hcd, phys_addr_t phys_addr,
local_mem = devm_memremap(hcd->self.sysdev, phys_addr,
size, MEMREMAP_WC);
- if (!local_mem)
- return -ENOMEM;
+ if (IS_ERR(local_mem))
+ return PTR_ERR(local_mem);
/*
* Here we pass a dma_addr_t but the arg type is a phys_addr_t.
--
2.20.1
