diff options
| author | Vishnu Dasa <vdasa@vmware.com> | 2022-03-17 23:00:40 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-18 13:47:48 +0100 |
| commit | c8e9b30ccae605bf1dbeaf03971f9b83f70b928d (patch) | |
| tree | 9feb4b08d33d4fb5b13e0d1ba9e8cd1f59ffbc00 | |
| parent | 5df0e734b8c39598effe0f17e5bd8ff7748a0693 (diff) | |
| download | iio-c8e9b30ccae605bf1dbeaf03971f9b83f70b928d.tar.gz | |
VMCI: Release notification_bitmap in error path
notification_bitmap may not be released when VMCI_CAPS_DMA_DATAGRAM
capability is missing from the device. Add missing
'err_free_notification_bitmap' label and use it instead of
'err_free_data_buffers' to avoid this.
Fixes: eed2298d9360 ("VMCI: dma dg: detect DMA datagram capability")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Bryan Tan <bryantan@vmware.com>
Reviewed-by: Rajesh Jalisatgi <rjalisatgi@vmware.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220318060040.31621-1-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_guest.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_guest.c b/drivers/misc/vmw_vmci/vmci_guest.c index c8181467d4c5bc..57a6157209a19f 100644 --- a/drivers/misc/vmw_vmci/vmci_guest.c +++ b/drivers/misc/vmw_vmci/vmci_guest.c @@ -720,7 +720,7 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, dev_err(&pdev->dev, "Missing capability: VMCI_CAPS_DMA_DATAGRAM\n"); error = -ENXIO; - goto err_free_data_buffers; + goto err_free_notification_bitmap; } } @@ -886,6 +886,7 @@ err_remove_vmci_dev_g: vmci_dev_g = NULL; spin_unlock_irq(&vmci_dev_spinlock); +err_free_notification_bitmap: if (vmci_dev->notification_bitmap) { vmci_write_reg(vmci_dev, VMCI_CONTROL_RESET, VMCI_CONTROL_ADDR); dma_free_coherent(&pdev->dev, PAGE_SIZE, |