From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bilel DRIRA Subject: [PATCH] include/uapi/linux/swab.h: define a silent macro to avoid sparse error Date: Sun, 14 Jun 2015 23:23:32 +0100 Message-ID: <1434320613-28700-1-git-send-email-bilel.dr@gmail.com> Return-path: Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Bilel DRIRA List-Id: linux-api@vger.kernel.org define a silent macro when _CHECKER_ is defined. This change fixes the following sparse errors: include/uapi/linux/swab.h:60:16: error: undefined identifier '__builtin_bswap32' include/uapi/linux/swab.h:60:33: error: not a function include/uapi/linux/swab.h:71:16: error: undefined identifier '__builtin_bswap64' include/uapi/linux/swab.h:71:33: error: not a function include/uapi/linux/swab.h:60:33: error: not a function Signed-off-by: Bilel DRIRA --- include/uapi/linux/swab.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h index 0e011eb..c04de49 100644 --- a/include/uapi/linux/swab.h +++ b/include/uapi/linux/swab.h @@ -5,6 +5,18 @@ #include #include +#ifdef __CHECKER__ + +#ifdef __HAVE_BUILTIN_BSWAP64__ +#define __builtin_bswap64(val) (0) +#endif + +#ifdef __HAVE_BUILTIN_BSWAP32__ +#define __builtin_bswap32(val) (0) +#endif + +#endif /* __CHECKER__ */ + /* * casts are necessary for constants, because we never know how for sure * how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way. -- 1.7.9.5