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authorHeinrich Schuchardt <xypron.glpk@gmx.de>2016-05-17 23:16:01 (GMT)
committerKalle Valo <kvalo@codeaurora.org>2016-06-14 14:21:28 (GMT)
commit141bcf099076df1a74317a5b14dcd56c933b9de8 (patch)
tree01f41a083d648e5df466f758e6ce7ba612e9fddc
parent6b3c33e985f20e7de07fc4b9b1a96dc452e37cb4 (diff)
downloadlinux-141bcf099076df1a74317a5b14dcd56c933b9de8.tar.xz
mwiflex: avoid possible null pointer dereference
Do not dereference card before checking against NULL value. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
-rw-r--r--drivers/net/wireless/marvell/mwifiex/pcie.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 9246ce8..a35db02 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);