[Intel-wired-lan] [next-queue PATCH] fm10k: Avoid crashing the kernel

[Jeff Kirsher]

On Tue, 2015-12-22 at 14:10 -0800, Bruce Allan wrote:
> Use BUILD_BUG_ON() instead of BUG_ON() where appropriate to get a
> compile
> error rather than crash the kernel.
> 
> Signed-off-by: Bruce Allan <bruce.w.allan at intel.com>
> ---
>  drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Dropping this patch because it now causes a compile issue with my next-
queue tree (dev-queue branch), here is the compile errors recieved:

[04:04:54 @jtkirshe-linux:next-queue]$ make -j 77 -s
In file included from include/linux/linkage.h:4:0,
                 from include/linux/preempt.h:9,
                 from include/linux/spinlock.h:50,
                 from include/linux/vmalloc.h:4,
                 from
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c:21:
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c: In function
‘fm10k_get_reg_vsi’:
include/linux/compiler.h:501:38: error: call to
‘__compiletime_assert_487’ declared with attribute error: BUILD_BUG_ON
failed: idx != FM10K_REGS_LEN_VSI
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
                                      ^
include/linux/compiler.h:484:4: note: in definition of macro
‘__compiletime_assert’
    prefix ## suffix();    \
    ^
include/linux/compiler.h:501:2: note: in expansion of macro
‘_compiletime_assert’
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^
include/linux/bug.h:50:37: note: in expansion of macro
‘compiletime_assert’
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                     ^
include/linux/bug.h:74:2: note: in expansion of macro
‘BUILD_BUG_ON_MSG’
  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
  ^
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c:487:2: note: in
expansion of macro ‘BUILD_BUG_ON’
  BUILD_BUG_ON(idx != FM10K_REGS_LEN_VSI);
  ^
scripts/Makefile.build:258: recipe for target
'drivers/net/ethernet/intel/fm10k/fm10k_ethtool.o' failed
make[5]: *** [drivers/net/ethernet/intel/fm10k/fm10k_ethtool.o] Error 1
make[5]: *** Waiting for unfinished jobs....
scripts/Makefile.build:407: recipe for target
'drivers/net/ethernet/intel/fm10k' failed
make[4]: *** [drivers/net/ethernet/intel/fm10k] Error 2
make[4]: *** Waiting for unfinished jobs....
scripts/Makefile.build:407: recipe for target
'drivers/net/ethernet/intel' failed
make[3]: *** [drivers/net/ethernet/intel] Error 2
scripts/Makefile.build:407: recipe for target 'drivers/net/ethernet'
failed
make[2]: *** [drivers/net/ethernet] Error 2
scripts/Makefile.build:407: recipe for target 'drivers/net' failed
make[1]: *** [drivers/net] Error 2
Makefile:950: recipe for target 'drivers' failed
make: *** [drivers] Error 2
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