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KVM: Standardize on "int" return types instead of "long" in kvm_main.c

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KVM functions use "long" return values for functions that are wired up
to "struct file_operations", but otherwise use "int" return values for
functions that can return 0/-errno in order to avoid unintentional
divergences between 32-bit and 64-bit kernels.
Some code still uses "long" in unnecessary spots, though, which can
cause a little bit of confusion and unnecessary size casts. Let's
change these spots to use "int" types, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230208140105.655814-6-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Thomas Huth 2023-02-08 15:01:04 +01:00 committed by Paolo Bonzini
parent 2def950c63
commit f15ba52bfa
1 changed files with 2 additions and 2 deletions
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4
virt/kvm/kvm_main.c
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@ -4467,7 +4467,7 @@ static int kvm_ioctl_create_device(struct kvm *kvm,
return 0;
}
static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
static int kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
{
switch (arg) {
case KVM_CAP_USER_MEMORY:
@ -5045,7 +5045,7 @@ put_fd:
static long kvm_dev_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
long r = -EINVAL;
int r = -EINVAL;
switch (ioctl) {
case KVM_GET_API_VERSION: