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Subject[PATCH 5.10 254/575] selftests/core: fix conflicting types compile error for close_range()
Date
From: Shuah Khan <skhan@linuxfoundation.org>

[ Upstream commit f35dcaa0a8a29188ed61083d153df1454cf89d08 ]

close_range() test type conflicts with close_range() library call in
x86_64-linux-gnu/bits/unistd_ext.h. Fix it by changing the name to
core_close_range().

gcc -g -I../../../../usr/include/ close_range_test.c -o ../tools/testing/selftests/core/close_range_test
In file included from close_range_test.c:16:
close_range_test.c:57:6: error: conflicting types for ‘close_range’; have ‘void(struct __test_metadata *)’
57 | TEST(close_range)
| ^~~~~~~~~~~
../kselftest_harness.h:181:21: note: in definition of macro ‘__TEST_IMPL’
181 | static void test_name(struct __test_metadata *_metadata); \
| ^~~~~~~~~
close_range_test.c:57:1: note: in expansion of macro ‘TEST’
57 | TEST(close_range)
| ^~~~
In file included from /usr/include/unistd.h:1204,
from close_range_test.c:13:
/usr/include/x86_64-linux-gnu/bits/unistd_ext.h:56:12: note: previous declaration of ‘close_range’ with type ‘int(unsigned int, unsigned int, int)’
56 | extern int close_range (unsigned int __fd, unsigned int __max_fd,
| ^~~~~~~~~~~

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/testing/selftests/core/close_range_test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/core/close_range_test.c b/tools/testing/selftests/core/close_range_test.c
index 575b391ddc78d..0a26795842f6f 100644
--- a/tools/testing/selftests/core/close_range_test.c
+++ b/tools/testing/selftests/core/close_range_test.c
@@ -33,7 +33,7 @@ static inline int sys_close_range(unsigned int fd, unsigned int max_fd,
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif

-TEST(close_range)
+TEST(core_close_range)
{
int i, ret;
int open_fds[101];
--
2.33.0


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