modpost: do not write out any file when error occurred
If an error occurs, modpost will fail anyway. Do not write out
any content (, which might be invalid).
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 141370e..f0d48f6 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -2333,6 +2333,9 @@ static void write_buf(struct buffer *b, const char *fname)
{
FILE *file;
+ if (error_occurred)
+ return;
+
file = fopen(fname, "w");
if (!file) {
perror(fname);
