From: Chan-yeol Park <chanyeol.park@samsung.com>
Date: Tue, 2 Apr 2013 12:24:22 +0000 (+0900)
Subject: Bluetooth: Fix possible NULL dereference in hci_uart_tty_receive
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~43^2^2~62^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=788f0923d3cb5256b12113c041c2381e4b3cecf6;p=pandora-kernel.git

Bluetooth: Fix possible NULL dereference in hci_uart_tty_receive

This patch adds a NULL check for the HCI UART ldisc driver because some
of HCI UART drivers allow hci_uart_tty_receive function to be called
even though the HCI device hasn't been registered yet.

Signed-off-by: Chan-yeol Park <chanyeol.park@samsung.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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