From: Christophe Kerello <christophe.kere...@st.com>
In case usb configuration is unknown (cdev->config == NULL), non standard
request should not be processed.
Remove also the cdev->config check below which will never happen.
This issue was seen using ums feature.
Signed-off-by: Christophe Kerello <christophe.kere...@st.com>
Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
---
drivers/usb/gadget/composite.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index d0ee7847b98d..a87639def974 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -838,6 +838,9 @@ unknown:
ctrl->bRequestType, ctrl->bRequest,
w_value, w_index, w_length);
+ if (!cdev->config)
+ goto done;
+
/*
* functions always handle their interfaces and endpoints...
* punt other recipients (other, WUSB, ...) to the current
@@ -882,7 +885,7 @@ unknown:
value = f->setup(f, ctrl);
else {
c = cdev->config;
- if (c && c->setup)
+ if (c->setup)
value = c->setup(c, ctrl);
}
--
1.9.1
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