Subject: Re: linux-next: sparc tree build warning

From: David Miller <[email-masked]>
Date: Sun, 13 Dec 2009 23:01:56 -0800 (PST)

From: Stephen Rothwell <[email-masked]>
Date: Mon, 14 Dec 2009 16:33:38 +1100

> Today's linux-next build (sparc defconfig) produced this warning:
> 
> In file included from arch/sparc/include/asm/uaccess.h:7,
>                  from include/net/checksum.h:26,
>                  from include/linux/skbuff.h:29,
>                  from net/core/pktgen.c:141:
> In function 'copy_from_user',
>     inlined from 'pktgen_if_write' at net/core/pktgen.c:867:
> arch/sparc/include/asm/uaccess_32.h:276: warning: call to 'copy_from_user_overflow' declared with attribute warning: copy_from_user() buffer size is not provably correct

Rats, compiler version?