[PATCH v6 13/19] s390/test_unwind: Use bool for booleans

[Alejandro Colomar <alx@kernel.org>]

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This is obviously good per se, but it will also allow using strprefix()
instead of str_has_prefix().

Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 arch/s390/lib/test_unwind.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/s390/lib/test_unwind.c b/arch/s390/lib/test_unwind.c
index 6bb3fa5bf925..bb47958f5aed 100644
--- a/arch/s390/lib/test_unwind.c
+++ b/arch/s390/lib/test_unwind.c
@@ -47,7 +47,8 @@ static void print_backtrace(char *bt)
 static noinline int test_unwind(struct task_struct *task, struct pt_regs *regs,
 				unsigned long sp)
 {
-	int frame_count, prev_is_func2, seen_func2_func1, seen_arch_rethook_trampoline;
+	int frame_count;
+	bool prev_is_func2, seen_func2_func1, seen_arch_rethook_trampoline;
 	const int max_frames = 128;
 	struct unwind_state state;
 	size_t bt_pos = 0;
@@ -61,9 +62,9 @@ static noinline int test_unwind(struct task_struct *task, struct pt_regs *regs,
 	}
 	/* Unwind. */
 	frame_count = 0;
-	prev_is_func2 = 0;
-	seen_func2_func1 = 0;
-	seen_arch_rethook_trampoline = 0;
+	prev_is_func2 = false;
+	seen_func2_func1 = false;
+	seen_arch_rethook_trampoline = false;
 	unwind_for_each_frame(&state, task, regs, sp) {
 		unsigned long addr = unwind_get_return_address(&state);
 		char sym[KSYM_SYMBOL_LEN];
@@ -87,10 +88,10 @@ static noinline int test_unwind(struct task_struct *task, struct pt_regs *regs,
 		}
 		frame_count += 1;
 		if (prev_is_func2 && str_has_prefix(sym, "unwindme_func1"))
-			seen_func2_func1 = 1;
+			seen_func2_func1 = true;
 		prev_is_func2 = str_has_prefix(sym, "unwindme_func2");
 		if (str_has_prefix(sym, "arch_rethook_trampoline+0x0/"))
-			seen_arch_rethook_trampoline = 1;
+			seen_arch_rethook_trampoline = true;
 	}
 
 	/* Check the results. */
-- 
2.55.0


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