[PATCH 2/2] tools, bpf_asm: exit non-zero on errors.

[Ian Denhardt]

...so callers can correctly detect failure.
---
 tools/bpf/bpf_exp.y | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/bpf/bpf_exp.y b/tools/bpf/bpf_exp.y
index 8d03e5245da5..dfb7254a24e8 100644
--- a/tools/bpf/bpf_exp.y
+++ b/tools/bpf/bpf_exp.y
@@ -185,13 +185,13 @@ ldx
        | OP_LDXB number '*' '(' '[' number ']' '&' number ')' {
                if ($2 != 4 || $9 != 0xf) {
                        fprintf(stderr, "ldxb offset not supported!\n");
-                       exit(0);
+                       exit(1);
                } else {
                        bpf_set_curr_instr(BPF_LDX | BPF_MSH | BPF_B, 0, 0, 
$6); } }
        | OP_LDX number '*' '(' '[' number ']' '&' number ')' {
                if ($2 != 4 || $9 != 0xf) {
                        fprintf(stderr, "ldxb offset not supported!\n");
-                       exit(0);
+                       exit(1);
                } else {
                        bpf_set_curr_instr(BPF_LDX | BPF_MSH | BPF_B, 0, 0, 
$6); } }
        ;
@@ -472,7 +472,7 @@ static void bpf_assert_max(void)
 {
        if (curr_instr >= BPF_MAXINSNS) {
                fprintf(stderr, "only max %u insns allowed!\n", BPF_MAXINSNS);
-               exit(0);
+               exit(1);
        }
 }
 
@@ -522,7 +522,7 @@ static int bpf_find_insns_offset(const char *label)
 
        if (ret == -ENOENT) {
                fprintf(stderr, "no such label \'%s\'!\n", label);
-               exit(0);
+               exit(1);
        }
 
        return ret;
-- 
2.30.1