Commit d624613e authored May 22, 2018 by YueHaibing Committed by David S. Miller May 24, 2018

cxgb4: Check for kvzalloc allocation failure



t4_prep_fw doesn't check for card_fw pointer before store the read data,
which could lead to a NULL pointer dereference if kvzalloc failed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 87e5808d

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -4140,6 +4140,10 @@ static int adap_init0(struct adapter *adap)
		* card
		*/
		card_fw = kvzalloc(sizeof(*card_fw), GFP_KERNEL);
		if (!card_fw) {
		ret = -ENOMEM;
		goto bye;
		}

		/* Get FW from from /lib/firmware/ */
		ret = request_firmware(&fw, fw_info->fw_mod_name,

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