Re: [PATCH 4/6] usb: musb: dsps: simplify platform_get_resource_byname/devm_ioremap_resource

From: Svenning Sørensen
Date: Mon Aug 19 2013 - 07:26:35 EST


On 19-08-2013 10:51, Julia Lawall wrote:
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 4ffbaac..f2f9710 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -357,9 +357,6 @@ static int dsps_musb_init(struct musb *musb)
u32 rev, val;
r = platform_get_resource_byname(parent, IORESOURCE_MEM, "control");
- if (!r)
- return -EINVAL;
-
reg_base = devm_ioremap_resource(dev, r);
if (!musb->ctrl_base)
return -EINVAL;
Not really related to Julia's patch, apart from making it more obvious that there's a bug here.
I believe it is reg_base that needs to be checked, right?

Svenning
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