Commit 7dd50e20 authored Jan 30, 2019 by YueHaibing Committed by Greg Kroah-Hartman Jan 30, 2019

tty: ipwireless: Fix potential NULL pointer dereference



There is a potential NULL pointer dereference in case
alloc_ctrl_packet() fails and returns NULL.

Fixes: 099dc4fb ("ipwireless: driver for PC Card 3G/UMTS modem")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 775ea4ea

drivers/tty/ipwireless/hardware.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1516,6 +1516,8 @@ static void ipw_send_setup_packet(struct ipw_hardware *hw)
		sizeof(struct ipw_setup_get_version_query_packet),
		ADDR_SETUP_PROT, TL_PROTOCOLID_SETUP,
		TL_SETUP_SIGNO_GET_VERSION_QRY);
		if (!ver_packet)
		return;
		ver_packet->header.length = sizeof(struct tl_setup_get_version_qry);

		/*

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