diff options
Diffstat (limited to 'drivers/infiniband/core/device.c')
| -rw-r--r-- | drivers/infiniband/core/device.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 4007f721d25..18c1ece765f 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -627,6 +627,9 @@ int ib_modify_device(struct ib_device *device, int device_modify_mask, struct ib_device_modify *device_modify) { + if (!device->modify_device) + return -ENOSYS; + return device->modify_device(device, device_modify_mask, device_modify); } @@ -647,6 +650,9 @@ int ib_modify_port(struct ib_device *device, u8 port_num, int port_modify_mask, struct ib_port_modify *port_modify) { + if (!device->modify_port) + return -ENOSYS; + if (port_num < start_port(device) || port_num > end_port(device)) return -EINVAL; @@ -701,18 +707,28 @@ int ib_find_pkey(struct ib_device *device, { int ret, i; u16 tmp_pkey; + int partial_ix = -1; for (i = 0; i < device->pkey_tbl_len[port_num - start_port(device)]; ++i) { ret = ib_query_pkey(device, port_num, i, &tmp_pkey); if (ret) return ret; - if ((pkey & 0x7fff) == (tmp_pkey & 0x7fff)) { - *index = i; - return 0; + /* if there is full-member pkey take it.*/ + if (tmp_pkey & 0x8000) { + *index = i; + return 0; + } + if (partial_ix < 0) + partial_ix = i; } } + /*no full-member, if exists take the limited*/ + if (partial_ix >= 0) { + *index = partial_ix; + return 0; + } return -ENOENT; } EXPORT_SYMBOL(ib_find_pkey); |