The first arugment has to be a pointer to the memory. buf is a char
array and already a pointer itself. The current code passes a pointer to
a char array to copy_from_user() which is not correct.
Signed-off-by: Markus Pargmann <m...@pengutronix.de>
---
drivers/usb/musb/musb_debugfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index ad3701a97389..bb13e0420140 100644
--- a/drivers/usb/musb/musb_debugfs.c
+++ b/drivers/usb/musb/musb_debugfs.c
@@ -194,7 +194,7 @@ static ssize_t musb_test_mode_write(struct file *file,
memset(buf, 0x00, sizeof(buf));
- if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
+ if (copy_from_user(buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
if (!strncmp(buf, "force host", 9))
--
2.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
