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Bluetooth: hci_sync: Fix crash on NULL parent

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Although later functions can handle a NULL fwnode, fwnode can't handle
being passed a NULL pointer.

See: https://github.com/raspberrypi/linux/issues/6305

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
This commit is contained in:
Phil Elwell
2024-08-07 17:41:31 +01:00
committed by Dom Cobley
parent b3e7ad7a21
commit dbe78cec0e
1 changed files with 2 additions and 1 deletions
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3
net/bluetooth/hci_sync.c
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@@ -4929,7 +4929,8 @@ static const struct {
*/
static int hci_dev_setup_sync(struct hci_dev *hdev)
{
struct fwnode_handle *fwnode = dev_fwnode(hdev->dev.parent);
struct fwnode_handle *fwnode =
hdev->dev.parent ? dev_fwnode(hdev->dev.parent) : NULL;
int ret = 0;
bool invalid_bdaddr;
size_t i;