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Prepare lookup function for more files to look after

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This commit is contained in:
Lucas De Marchi 2011-11-30 20:29:51 -02:00
parent 904c63aa96
commit b14dcfdab3
1 changed files with 17 additions and 4 deletions
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21
libkmod/libkmod-module.c
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@ -153,6 +153,14 @@ KMOD_EXPORT struct kmod_module *kmod_module_ref(struct kmod_module *mod)
return mod;
}
#define CHECK_ERR_AND_FINISH(_err, _label_err, _list, label_finish) \
do { \
if ((_err) < 0) \
goto _label_err; \
if (*(_list) != NULL) \
goto finish; \
} while (0)
KMOD_EXPORT int kmod_module_new_from_lookup(struct kmod_ctx *ctx,
const char *alias,
struct kmod_list **list)
@ -169,15 +177,20 @@ KMOD_EXPORT int kmod_module_new_from_lookup(struct kmod_ctx *ctx,
return -ENOSYS;
}
/* Aliases from config file override all the others */
err = kmod_lookup_alias_from_config(ctx, alias, list);
CHECK_ERR_AND_FINISH(err, fail, list, finish);
if (err < 0) {
kmod_module_unref_list(*list);
*list = NULL;
}
finish:
return err;
fail:
kmod_module_unref_list(*list);
*list = NULL;
}
#undef CHECK_ERR_AND_FINISH
KMOD_EXPORT int kmod_module_unref_list(struct kmod_list *list)
{