Re: [PATCH v4 7/9] rocker: fix rocker_tlv_put_* functions for KASAN

[David Miller]

From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Fri, 22 Sep 2017 23:29:18 +0200

> Inlining these functions creates lots of stack variables that each take
> 64 bytes when KASAN is enabled, leading to this warning about potential
> stack overflow:
> 
> drivers/net/ethernet/rocker/rocker_ofdpa.c: In function 'ofdpa_cmd_flow_tbl_add':
> drivers/net/ethernet/rocker/rocker_ofdpa.c:621:1: error: the frame size of 2752 bytes is larger than 1536 bytes [-Werror=frame-larger-than=]
> 
> gcc-8 can now consolidate the stack slots itself, but on older versions
> we get the same behavior by using a temporary variable that holds a
> copy of the inline function argument.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Applied.