linux-kernel - [PATCH V2 1/3] kvm: use kmalloc() instead of kzalloc() during iodev register/unregister

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Message-Id: <1440488835-4388-1-git-send-email-jasowang@redhat.com>
Date:	Tue, 25 Aug 2015 15:47:13 +0800
From:	Jason Wang <jasowang@...hat.com>
To:	gleb@...nel.org, pbonzini@...hat.com, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	cornelia.huck@...ibm.com, Jason Wang <jasowang@...hat.com>,
	"Michael S. Tsirkin" <mst@...hat.com>
Subject: [PATCH V2 1/3] 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@...nel.org>
Cc: Paolo Bonzini <pbonzini@...hat.com>
Cc: Michael S. Tsirkin <mst@...hat.com>
Signed-off-by: Jason Wang <jasowang@...hat.com>
---
 virt/kvm/kvm_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 8b8a444..0d79fe8 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3248,7 +3248,7 @@ 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;
@@ -3280,7 +3280,7 @@ 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;
-- 
2.1.4

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