Let the compilers (clang) know that this function would just call
exit() and would never return. It is needed to avoid false positive
static analysis errors. All similar functions calling exit()
unconditionally have been marked as __noreturn.

Signed-off-by: Muhammad Usama Anjum <[email protected]>
---
This patch has been suggested [1] and tested on top of the following
patches:
- f07041728422 ("selftests: add ksft_exit_fail_perror()") which is
  in kselftest tree already
- ("kselftest: Mark functions that unconditionally call exit() as
  __noreturn") would appear in tip/timers/urgent

[1] 
https://lore.kernel.org/all/[email protected]
---
 tools/testing/selftests/kselftest.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/kselftest.h 
b/tools/testing/selftests/kselftest.h
index 050c5fd018400..b43a7a7ca4b40 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -372,7 +372,7 @@ static inline __printf(1, 2) int ksft_exit_fail_msg(const 
char *msg, ...)
        exit(KSFT_FAIL);
 }
 
-static inline void ksft_exit_fail_perror(const char *msg)
+static inline __noreturn void ksft_exit_fail_perror(const char *msg)
 {
 #ifndef NOLIBC
        ksft_exit_fail_msg("%s: %s (%d)\n", msg, strerror(errno), errno);
-- 
2.39.2


Reply via email to