[PATCH] selftests: breakpoints: Fix wrong argument of ptrace() when single step

[Tiezhu Yang]

According to the error message, the first argument of ptrace() should be
PTRACE_SINGLESTEP instead of PTRACE_CONT when ptrace single step.

Fixes: f43365ee17f8 ("selftests: arm64: add test for unaligned/inexact watchpoint handling")
Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
---
 tools/testing/selftests/breakpoints/breakpoint_test_arm64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c b/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c
index ad41ea6..2f4d4d6 100644
--- a/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c
+++ b/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c
@@ -143,7 +143,7 @@ static bool run_test(int wr_size, int wp_size, int wr, int wp)
 	if (!set_watchpoint(pid, wp_size, wp))
 		return false;
 
-	if (ptrace(PTRACE_CONT, pid, NULL, NULL) < 0) {
+	if (ptrace(PTRACE_SINGLESTEP, pid, NULL, NULL) < 0) {
 		ksft_print_msg(
 			"ptrace(PTRACE_SINGLESTEP) failed: %s\n",
 			strerror(errno));
-- 
2.1.0