clk: at91: do not leak resources

Do not leak memory and free irqs in case of an error.

Acked-by: Boris Brezillon <[e-mail]>
Signed-off-by: David Dueck <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/at91/clk-h32mx.c

···
 	h32mxclk->pmc = pmc;
 
 	clk = clk_register(NULL, &h32mxclk->hw);
-	if (!clk)
+	if (!clk) {
+		kfree(h32mxclk);
 		return;
+	}
 
 	of_clk_add_provider(np, of_clk_src_simple_get, clk);
 }

drivers/clk/at91/clk-main.c

···
 	irq_set_status_flags(osc->irq, IRQ_NOAUTOEN);
 	ret = request_irq(osc->irq, clk_main_osc_irq_handler,
 			  IRQF_TRIGGER_HIGH, name, osc);
-	if (ret)
+	if (ret) {
+		kfree(osc);
 		return ERR_PTR(ret);
+	}
 
 	if (bypass)
 		pmc_write(pmc, AT91_CKGR_MOR,

drivers/clk/at91/clk-master.c

···
 	irq_set_status_flags(master->irq, IRQ_NOAUTOEN);
 	ret = request_irq(master->irq, clk_master_irq_handler,
 			  IRQF_TRIGGER_HIGH, "clk-master", master);
-	if (ret)
+	if (ret) {
+		kfree(master);
 		return ERR_PTR(ret);
+	}
 
 	clk = clk_register(NULL, &master->hw);
-	if (IS_ERR(clk))
+	if (IS_ERR(clk)) {
+		free_irq(master->irq, master);
 		kfree(master);
+	}
 
 	return clk;
 }

drivers/clk/at91/clk-pll.c

···
 	irq_set_status_flags(pll->irq, IRQ_NOAUTOEN);
 	ret = request_irq(pll->irq, clk_pll_irq_handler, IRQF_TRIGGER_HIGH,
 			  id ? "clk-pllb" : "clk-plla", pll);
-	if (ret)
+	if (ret) {
+		kfree(pll);
 		return ERR_PTR(ret);
+	}
 
 	clk = clk_register(NULL, &pll->hw);
-	if (IS_ERR(clk))
+	if (IS_ERR(clk)) {
+		free_irq(pll->irq, pll);
 		kfree(pll);
+	}
 
 	return clk;
 }

drivers/clk/at91/clk-system.c

···
 		irq_set_status_flags(sys->irq, IRQ_NOAUTOEN);
 		ret = request_irq(sys->irq, clk_system_irq_handler,
 				IRQF_TRIGGER_HIGH, name, sys);
-		if (ret)
+		if (ret) {
+			kfree(sys);
 			return ERR_PTR(ret);
+		}
 	}
 
 	clk = clk_register(NULL, &sys->hw);
-	if (IS_ERR(clk))
+	if (IS_ERR(clk)) {
+		free_irq(sys->irq, sys);
 		kfree(sys);
+	}
 
 	return clk;
 }

drivers/clk/at91/clk-utmi.c

···
 	irq_set_status_flags(utmi->irq, IRQ_NOAUTOEN);
 	ret = request_irq(utmi->irq, clk_utmi_irq_handler,
 			  IRQF_TRIGGER_HIGH, "clk-utmi", utmi);
-	if (ret)
+	if (ret) {
+		kfree(utmi);
 		return ERR_PTR(ret);
+	}
 
 	clk = clk_register(NULL, &utmi->hw);
-	if (IS_ERR(clk))
+	if (IS_ERR(clk)) {
+		free_irq(utmi->irq, utmi);
 		kfree(utmi);
+	}
 
 	return clk;
 }