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path: root/drivers/atm/lanai.c
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Diffstat (limited to 'drivers/atm/lanai.c')
-rw-r--r--drivers/atm/lanai.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index ce43ae3e87b3..3002b1177005 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -2239,6 +2239,7 @@ static int lanai_dev_open(struct atm_dev *atmdev)
conf1_write(lanai);
#endif
iounmap(lanai->base);
+ lanai->base = NULL;
error_pci:
pci_disable_device(lanai->pci);
error:
@@ -2251,6 +2252,8 @@ static int lanai_dev_open(struct atm_dev *atmdev)
static void lanai_dev_close(struct atm_dev *atmdev)
{
struct lanai_dev *lanai = (struct lanai_dev *) atmdev->dev_data;
+ if (lanai->base==NULL)
+ return;
printk(KERN_INFO DEV_LABEL "(itf %d): shutting down interface\n",
lanai->number);
lanai_timed_poll_stop(lanai);
@@ -2560,7 +2563,7 @@ static int lanai_init_one(struct pci_dev *pci,
struct atm_dev *atmdev;
int result;
- lanai = kmalloc(sizeof(*lanai), GFP_KERNEL);
+ lanai = kzalloc(sizeof(*lanai), GFP_KERNEL);
if (lanai == NULL) {
printk(KERN_ERR DEV_LABEL
": couldn't allocate dev_data structure!\n");