[PATCH] bpf: fix a warning message in mark_ptr_not_null_reg()

[Dan Carpenter]

The WARN_ON() argument is a condition, and it generates a stack trace
but it doesn't print the warning.

Fixes: 4ddb74165ae5 ("bpf: Extract nullable reg type conversion into a helper function")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 kernel/bpf/verifier.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 056df6be3e30..bd4d1dfca73c 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -1120,7 +1120,7 @@ static void mark_ptr_not_null_reg(struct bpf_reg_state *reg)
 		reg->type = PTR_TO_RDWR_BUF;
 		break;
 	default:
-		WARN_ON("unknown nullable register type");
+		WARN(1, "unknown nullable register type");
 	}
 }
 
-- 
2.30.0