Andrew Morton wrote:
I think we can do it a lot more tidily.
static void handle_BUG(struct pt_regs *regs)
{
unsigned long eip = regs->eip;
unsigned short ud2;
if (eip < PAGE_OFFSET)
return;
if (__get_user(ud2, (unsigned short __user *)eip))
return;
if (ud2 != 0x0b0f)
return;
printk(KERN_EMERG "------------[ cut here ]------------\n");
#ifdef CONFIG_DEBUG_BUGVERBOSE
do {
unsigned short line;
char *file;
char c;
if (__get_user(line, (unsigned short __user *)(eip + 2)))
break;
if (__get_user(file, (char * __user *)(eip + 4)) ||
(unsigned long)file < PAGE_OFFSET || __get_user(c, file))
file = "<bad filename>";
printk(KERN_EMERG "kernel BUG at %s:%d!\n", file, line);
return;
} while (0);
#endif
printk(KERN_EMERG "Kernel BUG at [verbose debug info unavailable]\n");
}
OK?
OK but you don't need a do/while(0) here.
--
SUSE Labs, Novell Inc.
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