Commit 8a6ca543 authored by Benjamin Berg's avatar Benjamin Berg Committed by Richard Weinberger
Browse files

um: virtio_uml: free command if adding to virtqueue failed 



If adding the command fails (i.e. the virtqueue is broken) then free it
again if the function allocated a new buffer for it.

Fixes: 68f5d3f3 ("um: add PCI over virtio emulation driver")
Signed-off-by: default avatarBenjamin Berg <benjamin.berg@intel.com>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent b99ddbe8

arch/um/drivers/virt-pci.c

+4 −1
Original line number Diff line number Diff line
@@ -137,8 +137,11 @@ static int um_pci_send_cmd(struct um_pci_device *dev, 
				out ? 1 : 0,

				posted ? cmd : HANDLE_NO_FREE(cmd),

				GFP_ATOMIC);

	if (ret)

	if (ret) {

		if (posted)

			kfree(cmd);

		goto out;

	}



	if (posted) {

		virtqueue_kick(dev->cmd_vq);