diff options
Diffstat (limited to 'drivers/s390/net/ism_drv.c')
| -rw-r--r-- | drivers/s390/net/ism_drv.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index 2f34761e6413..b8464d9433e9 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -20,7 +20,6 @@ MODULE_DESCRIPTION("ISM driver for s390"); MODULE_LICENSE("GPL"); -#define PCI_DEVICE_ID_IBM_ISM 0x04ED #define DRV_NAME "ism" static const struct pci_device_id ism_device_table[] = { @@ -131,6 +130,7 @@ static int ism_cmd(struct ism_dev *ism, void *cmd) struct ism_req_hdr *req = cmd; struct ism_resp_hdr *resp = cmd; + spin_lock(&ism->cmd_lock); __ism_write_cmd(ism, req + 1, sizeof(*req), req->len - sizeof(*req)); __ism_write_cmd(ism, req, 0, sizeof(*req)); @@ -144,6 +144,7 @@ static int ism_cmd(struct ism_dev *ism, void *cmd) } __ism_read_cmd(ism, resp + 1, sizeof(*resp), resp->len - sizeof(*resp)); out: + spin_unlock(&ism->cmd_lock); return resp->ret; } @@ -607,6 +608,7 @@ static int ism_probe(struct pci_dev *pdev, const struct pci_device_id *id) return -ENOMEM; spin_lock_init(&ism->lock); + spin_lock_init(&ism->cmd_lock); dev_set_drvdata(&pdev->dev, ism); ism->pdev = pdev; ism->dev.parent = &pdev->dev; |