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kbuild: fix segmentation fault in modpost

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If modpost was called manually with filenames without '/'
then modpost would segfault.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg 2007-02-26 19:46:52 +01:00
parent 9bf8cb9b79
commit a61b2dfd18
1 changed files with 6 additions and 2 deletions
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8
scripts/mod/modpost.c
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@ -1345,6 +1345,7 @@ static void add_depends(struct buffer *b, struct module *mod,
buf_printf(b, "__attribute__((section(\".modinfo\"))) =\n");
buf_printf(b, "\"depends=");
for (s = mod->unres; s; s = s->next) {
const char *p;
if (!s->module)
continue;
@ -1352,8 +1353,11 @@ static void add_depends(struct buffer *b, struct module *mod,
continue;
s->module->seen = 1;
buf_printf(b, "%s%s", first ? "" : ",",
strrchr(s->module->name, '/') + 1);
if ((p = strrchr(s->module->name, '/')) != NULL)
p++;
else
p = s->module->name;
buf_printf(b, "%s%s", first ? "" : ",", p);
first = 0;
}
buf_printf(b, "\";\n");