diff options
| author |   Shiraz Saleem <shiraz.saleem@intel.com> | 2017-09-19 09:19:09 -0500 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-09-22 13:43:36 -0400 |
| commit | cd9100ca9e78eb03bf5a0ee2ba98ebdc8cc5880e (patch) | |
| tree | 6f4cd20dd954f7abead039fc2687bbf23de61b0c /drivers | |
| parent | RDMA/vmw_pvrdma: Fix reporting correct opcodes for completion (diff) | |
| download | linux-dev-cd9100ca9e78eb03bf5a0ee2ba98ebdc8cc5880e.tar.xz linux-dev-cd9100ca9e78eb03bf5a0ee2ba98ebdc8cc5880e.zip | |
i40iw: Fail open if there are no available MSI-X vectors
Check number of available MSI-X vectors for i40iw.
If there are no available vectors, fail the open.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_main.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index cc742c3132c6..5965b59a2f83 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -1400,6 +1400,11 @@ static enum i40iw_status_code i40iw_save_msix_info(struct i40iw_device *iwdev, u32 i; u32 size; + if (!ldev->msix_count) { + i40iw_pr_err("No MSI-X vectors\n"); + return I40IW_ERR_CONFIG; + } + iwdev->msix_count = ldev->msix_count; size = sizeof(struct i40iw_msix_vector) * iwdev->msix_count; @@ -1550,7 +1555,7 @@ static enum i40iw_status_code i40iw_setup_init_state(struct i40iw_handler *hdl, status = i40iw_save_msix_info(iwdev, ldev); if (status) - goto exit; + return status; iwdev->hw.dev_context = (void *)ldev->pcidev; iwdev->hw.hw_addr = ldev->hw_addr; status = i40iw_allocate_dma_mem(&iwdev->hw, |