add-patches-section: detect no patched functions

2014-03-19 17:46:53 -05:00 · 2014-03-19 17:46:53 -05:00 · add37f3f44
parent 0688d1ed24
commit add37f3f44
1 changed files with 3 additions and 0 deletions
--- a/kpatch-build/add-patches-section.c
+++ b/kpatch-build/add-patches-section.c
@ -289,6 +289,9 @@ int main(int argc, char **argv)
 	elf_end(elfv.elf);
 	close(elfv.fd);

+	if (!patches_nr)
+		ERROR("no patched functions");
+
 	printf("patches_nr = %d\n", patches_nr);

 	/* allocate new section data buffers */