lkml.org 
[lkml]   [2005]   [Dec]   [23]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateFri, 23 Dec 2005 06:15:56 +0000
FromAl Viro <>
Subject[WTF?] sys_tas() on m32r
asmlinkage int sys_tas(int *addr)
{
        int oldval;
        unsigned long flags;
        if (!access_ok(VERIFY_WRITE, addr, sizeof (int)))
                return -EFAULT;
        local_irq_save(flags);
        oldval = *addr;
        if (!oldval)
                *addr = 1;
        local_irq_restore(flags);
        return oldval;
}
in arch/m32r/kernel/sys_m32r.c.  Trivial oops *AND* ability to trigger
IO with interrupts disabled.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-12-23 07:18    [from the cache]
©2003-2008