This patch fixes a potential null dereference bug where we dereference us
before a null check. This patch simply moves the dereferencing after the null
check.
Signed-off-by: Micah Gruber <[EMAIL PROTECTED]>
---
--- a/drivers/usb/storage/shuttle_usbat.c
+++ b/drivers/usb/storage/shuttle_usbat.c
@@ -187,12 +187,14 @@
*/
static int usbat_check_status(struct us_data *us)
{
- unsigned char *reply = us->iobuf;
+ unsigned char *reply;
int rc;
if (!us)
return USB_STOR_TRANSPORT_ERROR;
+ reply = us->iobuf;
+
rc = usbat_get_status(us, reply);
if (rc != USB_STOR_XFER_GOOD)
return USB_STOR_TRANSPORT_FAILED;
-
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