From 141bcf099076df1a74317a5b14dcd56c933b9de8 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Wed, 18 May 2016 01:16:01 +0200 Subject: [PATCH] mwiflex: avoid possible null pointer dereference Do not dereference card before checking against NULL value. Signed-off-by: Heinrich Schuchardt Signed-off-by: Kalle Valo --- drivers/net/wireless/marvell/mwifiex/pcie.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c index 9246ce890e6d..a35db02858b6 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -2901,10 +2901,11 @@ static void mwifiex_unregister_dev(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; const struct mwifiex_pcie_card_reg *reg; - struct pci_dev *pdev = card->dev; + struct pci_dev *pdev; int i; if (card) { + pdev = card->dev; if (card->msix_enable) { for (i = 0; i < MWIFIEX_NUM_MSIX_VECTORS; i++) synchronize_irq(card->msix_entries[i].vector); -- 2.20.1