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28 lines
888 B
Diff
28 lines
888 B
Diff
From ad2babc6596ba4f500454a4eaa607f3b49fcbcbe Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 7 Aug 2024 17:41:31 +0100
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Subject: [PATCH 1218/1350] Bluetooth: hci_sync: Fix crash on NULL parent
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Although later functions can handle a NULL fwnode, fwnode can't handle
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being passed a NULL pointer.
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See: https://github.com/raspberrypi/linux/issues/6305
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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net/bluetooth/hci_sync.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/net/bluetooth/hci_sync.c
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+++ b/net/bluetooth/hci_sync.c
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@@ -4872,7 +4872,8 @@ static const struct {
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*/
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static int hci_dev_setup_sync(struct hci_dev *hdev)
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{
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- struct fwnode_handle *fwnode = dev_fwnode(hdev->dev.parent);
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+ struct fwnode_handle *fwnode =
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+ hdev->dev.parent ? dev_fwnode(hdev->dev.parent) : NULL;
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int ret = 0;
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bool invalid_bdaddr;
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size_t i;
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