clocksource/drivers/stm32: Fix error return code

[ Upstream commit a26ed66c20f080c510fcf5bd448bce204f2c19d7 ]

Return an error code on failure.

Problem found using Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: kernel-janitors@vger.kernel.org
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lkml.kernel.org/r1528640655-18948-3-git-send-email-Julia.Lawall@lip6.fr
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/clocksource/timer-stm32.c b/drivers/clocksource/timer-stm32.c
index e5cdc3af684cbbe2370406c79af63df143776cd3..2717f88c79040a1ec26e2dd0d01f5d2dd25d9734 100644 (file)
--- a/drivers/clocksource/timer-stm32.c
+++ b/drivers/clocksource/timer-stm32.c
@@ -304,8 +304,10 @@ static int __init stm32_timer_init(struct device_node *node)
 
        to->private_data = kzalloc(sizeof(struct stm32_timer_private),
                                   GFP_KERNEL);
-       if (!to->private_data)
+       if (!to->private_data) {
+               ret = -ENOMEM;
                goto deinit;
+       }
 
        rstc = of_reset_control_get(node, NULL);
        if (!IS_ERR(rstc)) {