From: Claudiu Beznea <claudiu.beznea@microchip.com>
To: <mturquette@baylibre.com>, <sboyd@kernel.org>,
<nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
<ludovic.desroches@microchip.com>
Cc: <linux-clk@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Claudiu Beznea <claudiu.beznea@microchip.com>
Subject: [PATCH 1/2] clk: at91: pmc: do not continue if compatible not located
Date: Sun, 3 May 2020 15:18:08 +0300 [thread overview]
Message-ID: <1588508289-10140-1-git-send-email-claudiu.beznea@microchip.com> (raw)
pmc_register_ops() is called for all AT91 devices. Return
-ENODEV in case of_find_matching_node() returns NULL.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
drivers/clk/at91/pmc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index b71515acdec1..bf0570e66fc1 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -274,6 +274,8 @@ static int __init pmc_register_ops(void)
struct device_node *np;
np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids);
+ if (!np)
+ return -ENODEV;
pmcreg = device_node_to_regmap(np);
if (IS_ERR(pmcreg))
--
2.7.4
next reply other threads:[~2020-05-03 12:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-03 12:18 Claudiu Beznea [this message]
2020-05-03 12:18 ` [PATCH 2/2] clk: at91: pmc: decrement node's refcount Claudiu Beznea
2020-05-27 3:22 ` Stephen Boyd
2020-05-27 3:22 ` [PATCH 1/2] clk: at91: pmc: do not continue if compatible not located Stephen Boyd
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