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-rw-r--r--scripts/mod/sumversion.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index 5c0754526a2..8a2875689e4 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -381,8 +381,11 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
struct md4_ctx md;
char *sources, *end, *fname;
const char *basename;
- char filelist[strlen(getenv("MODVERDIR")) + strlen("/") +
- strlen(modname) - strlen(".o") + strlen(".mod") + 1 ];
+ char filelist[PATH_MAX + 1];
+ char *modverdir = getenv("MODVERDIR");
+
+ if (!modverdir)
+ modverdir = ".";
/* Source files for module are in .tmp_versions/modname.mod,
after the first line. */
@@ -390,7 +393,7 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
basename = strrchr(modname, '/') + 1;
else
basename = modname;
- sprintf(filelist, "%s/%.*s.mod", getenv("MODVERDIR"),
+ sprintf(filelist, "%s/%.*s.mod", modverdir,
(int) strlen(basename) - 2, basename);
file = grab_file(filelist, &len);