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From: Nathan Chancellor <nathan@kernel.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Tom Rix <trix@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	llvm@lists.linux.dev, patches@lists.linux.dev,
	Nathan Chancellor <nathan@kernel.org>,
	kernel test robot <lkp@intel.com>
Subject: [PATCH] powerpc/math_emu/efp: Include module.h
Date: Wed, 31 Aug 2022 08:20:15 -0700	[thread overview]
Message-ID: <20220831152014.3501664-1-nathan@kernel.org> (raw)

When building with a recent version of clang, there are a couple of
errors around the call to module_init():

  arch/powerpc/math-emu/math_efp.c:927:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
  module_init(spe_mathemu_init);
  ^
  int
  arch/powerpc/math-emu/math_efp.c:927:13: error: a parameter list without types is only allowed in a function definition
  module_init(spe_mathemu_init);
              ^
  2 errors generated.

module_init() is a macro, which is not getting expanded because module.h
is not included in this file. Add the include so that the macro can
expand properly, clearing up the build failure.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
---

No Fixes tag because it seems likely that this is a transient include
issue (the code builds with GCC). The robot blamed commit e8c07082a810
("Kbuild: move to -std=gnu11") but I think that just exposed these
errors, not caused them.

 arch/powerpc/math-emu/math_efp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/math-emu/math_efp.c b/arch/powerpc/math-emu/math_efp.c
index 39b84e7452e1..aa3bb8da1cb9 100644
--- a/arch/powerpc/math-emu/math_efp.c
+++ b/arch/powerpc/math-emu/math_efp.c
@@ -17,6 +17,7 @@
 
 #include <linux/types.h>
 #include <linux/prctl.h>
+#include <linux/module.h>
 
 #include <linux/uaccess.h>
 #include <asm/reg.h>

base-commit: dcf8e5633e2e69ad60b730ab5905608b756a032f
-- 
2.37.3


WARNING: multiple messages have this Message-ID (diff)
From: Nathan Chancellor <nathan@kernel.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: kernel test robot <lkp@intel.com>, Arnd Bergmann <arnd@arndb.de>,
	Tom Rix <trix@redhat.com>,
	llvm@lists.linux.dev, Nick Desaulniers <ndesaulniers@google.com>,
	linux-kernel@vger.kernel.org, patches@lists.linux.dev,
	Nathan Chancellor <nathan@kernel.org>,
	Nicholas Piggin <npiggin@gmail.com>,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH] powerpc/math_emu/efp: Include module.h
Date: Wed, 31 Aug 2022 08:20:15 -0700	[thread overview]
Message-ID: <20220831152014.3501664-1-nathan@kernel.org> (raw)

When building with a recent version of clang, there are a couple of
errors around the call to module_init():

  arch/powerpc/math-emu/math_efp.c:927:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
  module_init(spe_mathemu_init);
  ^
  int
  arch/powerpc/math-emu/math_efp.c:927:13: error: a parameter list without types is only allowed in a function definition
  module_init(spe_mathemu_init);
              ^
  2 errors generated.

module_init() is a macro, which is not getting expanded because module.h
is not included in this file. Add the include so that the macro can
expand properly, clearing up the build failure.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
---

No Fixes tag because it seems likely that this is a transient include
issue (the code builds with GCC). The robot blamed commit e8c07082a810
("Kbuild: move to -std=gnu11") but I think that just exposed these
errors, not caused them.

 arch/powerpc/math-emu/math_efp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/math-emu/math_efp.c b/arch/powerpc/math-emu/math_efp.c
index 39b84e7452e1..aa3bb8da1cb9 100644
--- a/arch/powerpc/math-emu/math_efp.c
+++ b/arch/powerpc/math-emu/math_efp.c
@@ -17,6 +17,7 @@
 
 #include <linux/types.h>
 #include <linux/prctl.h>
+#include <linux/module.h>
 
 #include <linux/uaccess.h>
 #include <asm/reg.h>

base-commit: dcf8e5633e2e69ad60b730ab5905608b756a032f
-- 
2.37.3


             reply	other threads:[~2022-08-31 15:21 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-31 15:20 Nathan Chancellor [this message]
2022-08-31 15:20 ` [PATCH] powerpc/math_emu/efp: Include module.h Nathan Chancellor
2022-09-01  5:41 ` Christophe Leroy
2022-09-01  5:41   ` Christophe Leroy
2022-09-01 19:47   ` Segher Boessenkool
2022-09-01 19:47     ` Segher Boessenkool
2022-09-02  8:43     ` Christophe Leroy
2022-09-02  8:43       ` Christophe Leroy
2022-09-02 12:40       ` Segher Boessenkool
2022-09-02 12:40         ` Segher Boessenkool
2022-09-09 12:06 ` Michael Ellerman
2022-09-09 12:06   ` Michael Ellerman

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