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Commit d3febddd authored by Jason Wang's avatar Jason Wang Committed by Paolo Bonzini
Browse files

kvm: use kmalloc() instead of kzalloc() during iodev register/unregister 



All fields of kvm_io_range were initialized or copied explicitly
afterwards. So switch to use kmalloc().

Cc: Gleb Natapov <gleb@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 1c1a9ce9

virt/kvm/kvm_main.c

+2 −2
Original line number Diff line number Diff line
@@ -3341,7 +3341,7 @@ int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, 
	if (bus->dev_count - bus->ioeventfd_count > NR_IOBUS_DEVS - 1)

		return -ENOSPC;



	new_bus = kzalloc(sizeof(*bus) + ((bus->dev_count + 1) *

	new_bus = kmalloc(sizeof(*bus) + ((bus->dev_count + 1) *

			  sizeof(struct kvm_io_range)), GFP_KERNEL);

	if (!new_bus)

		return -ENOMEM;
@@ -3373,7 +3373,7 @@ int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, 
	if (r)

		return r;



	new_bus = kzalloc(sizeof(*bus) + ((bus->dev_count - 1) *

	new_bus = kmalloc(sizeof(*bus) + ((bus->dev_count - 1) *

			  sizeof(struct kvm_io_range)), GFP_KERNEL);

	if (!new_bus)

		return -ENOMEM;