[PATCH] common/sfc: replace out of bounds condition with static_assert

[Stephen Hemminger]

The sfc base code had its own definition of static assertions
using the out of bound array access hack. Replace it with a
static_assert like rte_common.h.

Fixes: f67e4719147d ("net/sfc/base: fix coding style")
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 drivers/common/sfc_efx/base/efx.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/common/sfc_efx/base/efx.h b/drivers/common/sfc_efx/base/efx.h
index 3312c2fa8f81..9ce266c43610 100644
--- a/drivers/common/sfc_efx/base/efx.h
+++ b/drivers/common/sfc_efx/base/efx.h
@@ -17,8 +17,8 @@
 extern "C" {
 #endif
 
-#define	EFX_STATIC_ASSERT(_cond)		\
-	((void)sizeof (char[(_cond) ? 1 : -1]))
+#define	EFX_STATIC_ASSERT(_cond) \
+	do { static_assert((_cond), "assert failed" #_cond); } while (0)
 
 #define	EFX_ARRAY_SIZE(_array)			\
 	(sizeof (_array) / sizeof ((_array)[0]))
-- 
2.43.0