From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
If we use assert(), the program "crashes". That can be scary to users,
so stop doing it. Just exit with a >0 exit code instead.
Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Ram Pai <linuxram@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Michael Ellermen <mpe@xxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
---
b/tools/testing/selftests/x86/protection_keys.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff -puN tools/testing/selftests/x86/protection_keys.c~pkeys-selftests-do-not-assert tools/testing/selftests/x86/protection_keys.c
--- a/tools/testing/selftests/x86/protection_keys.c~pkeys-selftests-do-not-assert 2018-05-09 09:20:18.717698407 -0700
+++ b/tools/testing/selftests/x86/protection_keys.c 2018-05-09 09:20:18.720698407 -0700
@@ -72,10 +72,9 @@ extern void abort_hooks(void);
test_nr, iteration_nr); \
dprintf0("errno at assert: %d", errno); \
abort_hooks(); \
- assert(condition); \
+ exit(__LINE__); \
} \
} while (0)
-#define raw_assert(cond) assert(cond)
void cat_into_file(char *str, char *file)
{
@@ -87,12 +86,17 @@ void cat_into_file(char *str, char *file
* these need to be raw because they are called under
* pkey_assert()
*/
- raw_assert(fd >= 0);
+ if (fd < 0) {
+ fprintf(stderr, "error opening '%s'\n", str);
+ perror("error: ");
+ exit(__LINE__);
+ }
+
ret = write(fd, str, strlen(str));
if (ret != strlen(str)) {
perror("write to file failed");
fprintf(stderr, "filename: '%s' str: '%s'\n", file, str);
- raw_assert(0);
+ exit(__LINE__);
}
close(fd);
}
_
