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@@ -381,8 +381,11 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
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struct md4_ctx md;
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char *sources, *end, *fname;
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const char *basename;
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- char filelist[strlen(getenv("MODVERDIR")) + strlen("/") +
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- strlen(modname) - strlen(".o") + strlen(".mod") + 1 ];
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+ char filelist[PATH_MAX + 1];
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+ char *modverdir = getenv("MODVERDIR");
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+
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+ if (!modverdir)
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+ modverdir = ".";
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/* Source files for module are in .tmp_versions/modname.mod,
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after the first line. */
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@@ -390,7 +393,7 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
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basename = strrchr(modname, '/') + 1;
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else
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basename = modname;
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- sprintf(filelist, "%s/%.*s.mod", getenv("MODVERDIR"),
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+ sprintf(filelist, "%s/%.*s.mod", modverdir,
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(int) strlen(basename) - 2, basename);
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file = grab_file(filelist, &len);
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