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meta-ti/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.16/0011-Bluetooth-uart-ldisc-Fix-memory-leak.patch
Koen Kooi aefc6c8c3c linux-ti33x-psp 3.2: rebase patches onto latest git
The psp tree added a patch to limit the beaglebone to 500MHz when powered by USB, which triggered conflicts in the patches. The 3.2.16 series has been rediffed as well, no functional changes.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>
2012-05-10 15:35:51 -04:00

52 lines
1.7 KiB
Diff

From b69f7a1d24573678da4e44e9f2f7028640a6d592 Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@gmail.com>
Date: Wed, 11 Apr 2012 11:24:35 +0200
Subject: [PATCH 11/68] Bluetooth: uart-ldisc: Fix memory leak
This is a partial, self-contained, minimal backport of commit
797fe796c4335b35d95d5326824513befdb5d1e9 upstream which fixes the memory
leak:
Bluetooth: uart-ldisc: Fix memory leak and remove destruct cb
We currently leak the hci_uart object if HCI_UART_PROTO_SET is never set
because the hci-destruct callback will then never be called. This fix
removes the hci-destruct callback and frees the driver internal private
hci_uart object directly on tty-close. We call hci_unregister_dev() here
so the hci-core will never call our callbacks again (except destruct).
Therefore, we can safely free the driver internal data right away and
set the destruct callback to NULL.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/bluetooth/hci_ldisc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 48ad2a7..36dafef 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -237,7 +237,6 @@ static void hci_uart_destruct(struct hci_dev *hdev)
return;
BT_DBG("%s", hdev->name);
- kfree(hdev->driver_data);
}
/* ------ LDISC part ------ */
@@ -316,6 +315,7 @@ static void hci_uart_tty_close(struct tty_struct *tty)
hci_free_dev(hdev);
}
}
+ kfree(hu);
}
}
--
1.7.10