3.16.70-rc1 review patch. If anyone has any objections, please let me know.
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From: YueHaibing yuehaibing@huawei.com
commit 7dd50e205b3348dc7784efbdf85723551de64a25 upstream.
There is a potential NULL pointer dereference in case alloc_ctrl_packet() fails and returns NULL.
Fixes: 099dc4fb6265 ("ipwireless: driver for PC Card 3G/UMTS modem") Signed-off-by: YueHaibing yuehaibing@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Ben Hutchings ben@decadent.org.uk --- drivers/tty/ipwireless/hardware.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/tty/ipwireless/hardware.c +++ b/drivers/tty/ipwireless/hardware.c @@ -1515,6 +1515,8 @@ static void ipw_send_setup_packet(struct 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);
/*