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From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org, Sascha Hauer <s.hauer@pengutronix.de>
Subject: [PATCH for master 2/2] pci_of_match_device: don't crash on MIPS Malta
Date: Thu, 13 Sep 2018 00:00:06 +0300	[thread overview]
Message-ID: <20180912210006.28087-3-antonynpavlov@gmail.com> (raw)
In-Reply-To: <20180912210006.28087-1-antonynpavlov@gmail.com>

In arch/mips/mach-malta/pci.c PCI controller is instantiated
without dt and struct pci_controller parent field is NULL.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 drivers/pci/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d206c53848..7abc7a3439 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -339,7 +339,7 @@ pci_of_match_device(struct device_d *parent, unsigned int devfn)
 	struct device_node *np;
 	u32 reg;
 
-	if (!IS_ENABLED(CONFIG_OFTREE) || !parent->device_node)
+	if (!IS_ENABLED(CONFIG_OFTREE) || !parent || !parent->device_node)
 		return NULL;
 
 	for_each_child_of_node(parent->device_node, np) {
-- 
2.18.0


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  parent reply	other threads:[~2018-09-12 21:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-12 21:00 [PATCH for master 0/2] MIPS and PCI-related fixes Antony Pavlov
2018-09-12 21:00 ` [PATCH for master 1/2] MIPS: fix PCI quirk infrastructure build Antony Pavlov
2018-09-12 21:00 ` Antony Pavlov [this message]
2018-09-17  7:32 ` [PATCH for master 0/2] MIPS and PCI-related fixes Sascha Hauer

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