The HOSTPC extension registers found in some EHCI implementations form a variable-length array, with one element for each port. Therefore the hostpc field in struct ehci_regs should be declared as a zero-length array, not a single-element array.
This fixes a problem reported by UBSAN. Signed-off-by: Alan Stern <[email protected]> Reported-by: Wilfried Klaebe <[email protected]> Tested-by: Wilfried Klaebe <[email protected]> CC: <[email protected]> --- [as1803] include/linux/usb/ehci_def.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: usb-4.x/include/linux/usb/ehci_def.h =================================================================== --- usb-4.x.orig/include/linux/usb/ehci_def.h +++ usb-4.x/include/linux/usb/ehci_def.h @@ -180,11 +180,11 @@ struct ehci_regs { * PORTSCx */ /* HOSTPC: offset 0x84 */ - u32 hostpc[1]; /* HOSTPC extension */ + u32 hostpc[0]; /* HOSTPC extension */ #define HOSTPC_PHCD (1<<22) /* Phy clock disable */ #define HOSTPC_PSPD (3<<25) /* Port speed detection */ - u32 reserved5[16]; + u32 reserved5[17]; /* USBMODE_EX: offset 0xc8 */ u32 usbmode_ex; /* USB Device mode extension */ -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
