24 lines
764 B
Diff
24 lines
764 B
Diff
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diff --git a/src/cups-pk-helper-mechanism.c b/src/cups-pk-helper-mechanism.c
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index 273c262..8b3d781 100644
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--- a/src/cups-pk-helper-mechanism.c
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+++ b/src/cups-pk-helper-mechanism.c
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@@ -205,6 +205,8 @@ register_mechanism (CphMechanism *mechanism)
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{
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GError *error;
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+ g_return_val_if_fail (CPH_IS_MECHANISM (mechanism), FALSE);
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+
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mechanism->priv->pol_auth = polkit_authority_get ();
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error = NULL;
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@@ -238,7 +240,8 @@ cph_mechanism_new (void)
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object = g_object_new (CPH_TYPE_MECHANISM, NULL);
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if (!register_mechanism (CPH_MECHANISM (object))) {
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- g_object_unref (object);
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+ if (object)
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+ g_object_unref (object);
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return NULL;
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}
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