diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2016-06-23 14:54:37 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-24 17:03:12 -0700 |
| commit | 7e8b3dfef16375dbfeb1f36a83eb9f27117c51fd (patch) | |
| tree | e056432b1d7d3ce0301ae4e1b0f7b975af9d98d5 /include/linux/usb/ehci_def.h | |
| parent | 1a34c4d0ae888b229b8ffd99835be254b0024f88 (diff) | |
USB: EHCI: declare hostpc register as zero-length array
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 <stern@rowland.harvard.edu>
Reported-by: Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de>
Tested-by: Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/usb/ehci_def.h')
| -rw-r--r-- | include/linux/usb/ehci_def.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h index 966889a20ea3..e479033bd782 100644 --- a/include/linux/usb/ehci_def.h +++ b/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 */ |