bus/usb/ehci: Define GRUB_EHCI_TOGGLE as grub_uint32_t

The Coverity indicates that GRUB_EHCI_TOGGLE is an int that contains
a negative value and we are using it for the variable token which is
grub_uint32_t. To remedy this we can cast the definition to grub_uint32_t.

Fixes: CID 473851
Signed-off-by: Alec Brown <alec.r.brown@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

diff --git a/grub-core/bus/usb/ehci.c b/grub-core/bus/usb/ehci.c
index 9abebc6bdadb1634a24611341b5c3ffc6939d111..2db07c7c0c556053ad9d7d2038f37bfef67a6a59 100644 (file)
--- a/grub-core/bus/usb/ehci.c
+++ b/grub-core/bus/usb/ehci.c
@@ -218,7 +218,7 @@ enum
 
 #define GRUB_EHCI_TERMINATE      (1<<0)
 
-#define GRUB_EHCI_TOGGLE         (1<<31)
+#define GRUB_EHCI_TOGGLE         ((grub_uint32_t) 1<<31)
 
 enum
 {