modpost: simplify file name generation of *.mod.c files
Avoid the variable length array (vla), just use PATH_MAX instead.
This not only makes this code clang friedly, it also leads to a
code size reduction:
text data bss dec hex filename
51765 2224 12416 66405 10365 scripts/mod/modpost.old
51677 2224 12416 66317 1030d scripts/mod/modpost.new
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index c2ebdc7..3b405c7 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -2212,7 +2212,7 @@
err = 0;
for (mod = modules; mod; mod = mod->next) {
- char fname[strlen(mod->name) + 10];
+ char fname[PATH_MAX];
if (mod->skip)
continue;