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selftests/powerpc/ptrace: Make child errors more obvious 

Use the FAIL_IF() macro so that errors in the child report a line
number, rather than just silently exiting.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220627140239.2464900-11-mpe@ellerman.id.au
This commit is contained in:
Michael Ellerman 2022-06-28 00:02:37 +10:00
parent 611e385087
commit 7b1513d02e
1 changed files with 5 additions and 8 deletions
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13
tools/testing/selftests/powerpc/ptrace/ptrace-gpr.c
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@ -19,7 +19,7 @@ double c = FPR_3;
extern void gpr_child_loop(int *read_flag, int *write_flag,
unsigned long *gpr_buf, double *fpr_buf);
void gpr(void)
static int child(void)
{
unsigned long gpr_buf[32];
double fpr_buf[32];
@ -38,13 +38,10 @@ void gpr(void)
shmdt((void *)cptr);
if (validate_gpr(gpr_buf, GPR_3))
exit(1);
FAIL_IF(validate_gpr(gpr_buf, GPR_3));
FAIL_IF(validate_fpr_double(fpr_buf, c));
if (validate_fpr_double(fpr_buf, c))
exit(1);
exit(0);
return 0;
}
int trace_gpr(pid_t child)
@ -76,7 +73,7 @@ int ptrace_gpr(void)
return TEST_FAIL;
}
if (pid == 0)
gpr();
exit(child());
if (pid) {
pptr = (int *)shmat(shm_id, NULL, 0);