Commit 5df0e734 authored by Vishnu Dasa's avatar Vishnu Dasa Committed by Greg Kroah-Hartman
Browse files

VMCI: Check exclusive_vectors when freeing interrupt 1 



free_irq() may be called to free an interrupt that was not
allocated.  Add missing 'if' statement to check for
exclusive_vectors when freeing interrupt 1.

Fixes: cc68f217 ("VMCI: dma dg: register dummy IRQ handlers for DMA datagrams")
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarBryan Tan <bryantan@vmware.com>
Reviewed-by: default avatarRajesh Jalisatgi <rjalisatgi@vmware.com>
Signed-off-by: default avatarVishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220318055843.30606-1-vdasa@vmware.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e70bcbcf

drivers/misc/vmw_vmci/vmci_guest.c

+3 −1
Original line number Diff line number Diff line
@@ -862,7 +862,9 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, 
	return 0;



err_free_bm_irq:

	if (vmci_dev->exclusive_vectors)

		free_irq(pci_irq_vector(pdev, 1), vmci_dev);



err_free_irq:

	free_irq(pci_irq_vector(pdev, 0), vmci_dev);

	tasklet_kill(&vmci_dev->datagram_tasklet);