From 00a0c8451abcea98a7ea4abf583a308a6513d8ba Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Tue, 20 Aug 2019 20:26:44 -0500 Subject: ARC: unwind: Mark expected switch fall-through MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Mark switch cases where we are expecting to fall through. This patch fixes the following warnings (Building: haps_hs_defconfig arc): arch/arc/kernel/unwind.c: In function ‘read_pointer’: ./include/linux/compiler.h:328:5: warning: this statement may fall through [-Wimplicit-fallthrough=] do { \ ^ ./include/linux/compiler.h:338:2: note: in expansion of macro ‘__compiletime_assert’ __compiletime_assert(condition, msg, prefix, suffix) ^~~~~~~~~~~~~~~~~~~~ ./include/linux/compiler.h:350:2: note: in expansion of macro ‘_compiletime_assert’ _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’ #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’ BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/arc/kernel/unwind.c:573:3: note: in expansion of macro ‘BUILD_BUG_ON’ BUILD_BUG_ON(sizeof(u32) != sizeof(value)); ^~~~~~~~~~~~ arch/arc/kernel/unwind.c:575:2: note: here case DW_EH_PE_native: ^~~~ Signed-off-by: Gustavo A. R. Silva --- arch/arc/kernel/unwind.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arc') diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c index c2663fce7f6c..725adfcdd116 100644 --- a/arch/arc/kernel/unwind.c +++ b/arch/arc/kernel/unwind.c @@ -572,6 +572,7 @@ static unsigned long read_pointer(const u8 **pLoc, const void *end, #else BUILD_BUG_ON(sizeof(u32) != sizeof(value)); #endif + /* Fall through */ case DW_EH_PE_native: if (end < (const void *)(ptr.pul + 1)) return 0; -- cgit v1.2.3