This patch fixes the problem that accesses NULL pointer
when disconnected a cable while play music with usb-speaker.
Signed-off-by: Yoshihiro Shimoda <[EMAIL PROTECTED]>
---
drivers/usb/host/r8a66597-hcd.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/usb/host/r8a66597-hcd.c.orig 2007-05-30 18:06:48.000000000
+0900
+++ a/drivers/usb/host/r8a66597-hcd.c 2007-05-30 17:55:37.000000000 +0900
@@ -47,7 +47,7 @@ MODULE_DESCRIPTION("R8A66597 USB Host Co
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yoshihiro Shimoda");
-#define DRIVER_VERSION "9 May 2007"
+#define DRIVER_VERSION "29 May 2007"
static const char hcd_name[] = "r8a66597_hcd";
@@ -544,6 +544,9 @@ static void pipe_toggle_restore(struct r
unsigned char endpoint = usb_pipeendpoint(urb->pipe);
unsigned short *toggle = get_toggle_pointer(dev, urb->pipe);
+ if (!toggle)
+ return;
+
r8a66597_pipe_toggle(r8a66597, pipe, *toggle & (1 << endpoint));
}
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