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path: root/drivers/net/ethernet/microsoft/mana/gdma_main.c
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Diffstat (limited to 'drivers/net/ethernet/microsoft/mana/gdma_main.c')
-rw-r--r--drivers/net/ethernet/microsoft/mana/gdma_main.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c
index 11457b6296cc..638ef64d639f 100644
--- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
+++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
@@ -134,9 +134,10 @@ static int mana_gd_detect_devices(struct pci_dev *pdev)
struct gdma_list_devices_resp resp = {};
struct gdma_general_req req = {};
struct gdma_dev_id dev;
- u32 i, max_num_devs;
+ int found_dev = 0;
u16 dev_type;
int err;
+ u32 i;
mana_gd_init_req_hdr(&req.hdr, GDMA_LIST_DEVICES, sizeof(req),
sizeof(resp));
@@ -148,12 +149,17 @@ static int mana_gd_detect_devices(struct pci_dev *pdev)
return err ? err : -EPROTO;
}
- max_num_devs = min_t(u32, MAX_NUM_GDMA_DEVICES, resp.num_of_devs);
-
- for (i = 0; i < max_num_devs; i++) {
+ for (i = 0; i < GDMA_DEV_LIST_SIZE &&
+ found_dev < resp.num_of_devs; i++) {
dev = resp.devs[i];
dev_type = dev.type;
+ /* Skip empty devices */
+ if (dev.as_uint32 == 0)
+ continue;
+
+ found_dev++;
+
/* HWC is already detected in mana_hwc_create_channel(). */
if (dev_type == GDMA_DEVICE_HWC)
continue;