Linux: -Wvarargs in drivers/net/can/usb/peak_usb/pcan_usb_pro.c

[tpimh]

drivers/net/can/usb/peak_usb/pcan_usb_pro.c:136:15: warning: passing an object that undergoes default argument promotion to 'va_start' has undefined behavior [-Wvarargs]
        va_start(ap, id);
                     ^
drivers/net/can/usb/peak_usb/pcan_usb_pro.c:130:61: note: parameter of type 'u8' (aka 'unsigned char') is declared here
static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, u8 id, ...)
                                                            ^
1 warning generated.

[nickdesaulniers]

Note: similar to #41 (probably need to declare id as an int): https://www.eskimo.com/~scs/cclass/int/sx11c.html

[nathanchance]

Arnd sent a fix: https://lore.kernel.org/lkml/[email protected]/

[nickdesaulniers]

accepted: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=a2ae6da025ed73e4312d983b5e57300bc77090f3

[dileks]

Upstream: https://git.kernel.org/linus/a2ae6da025ed73e4312d983b5e57300bc77090f3