Re: [PATCH] peak_usb: fix clang build warning

2019-03-07 Thread David Miller
From: Arnd Bergmann Date: Thu, 7 Mar 2019 11:31:55 +0100 > Clang points out undefined behavior when building the pcan_usb_pro driver: > > drivers/net/can/usb/peak_usb/pcan_usb_pro.c:136:15: error: passing an object > that undergoes default argument promotion to 'va_start' has undefined > beha

Re: [PATCH] peak_usb: fix clang build warning

2019-03-07 Thread Arnd Bergmann
On Thu, Mar 7, 2019 at 4:31 PM Nathan Chancellor wrote: > > On Thu, Mar 07, 2019 at 11:31:55AM +0100, Arnd Bergmann wrote: > > Clang points out undefined behavior when building the pcan_usb_pro driver: > > > > drivers/net/can/usb/peak_usb/pcan_usb_pro.c:136:15: error: passing an > > object that u

Re: [PATCH] peak_usb: fix clang build warning

2019-03-07 Thread Nathan Chancellor
On Thu, Mar 07, 2019 at 11:31:55AM +0100, Arnd Bergmann wrote: > Clang points out undefined behavior when building the pcan_usb_pro driver: > > drivers/net/can/usb/peak_usb/pcan_usb_pro.c:136:15: error: passing an object > that undergoes default argument promotion to 'va_start' has undefined > b

[PATCH] peak_usb: fix clang build warning

2019-03-07 Thread Arnd Bergmann
Clang points out undefined behavior when building the pcan_usb_pro driver: drivers/net/can/usb/peak_usb/pcan_usb_pro.c:136:15: error: passing an object that undergoes default argument promotion to 'va_start' has undefined behavior [-Werror,-Wvarargs] Changing the function prototype to avoid arg