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KVM: use kvcalloc for array allocations

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Instead of using array_size, use a function that takes care of the
multiplication.  While at it, switch to kvcalloc since this allocation
should not be very large.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-03-08 04:57:39 -05:00
parent 6d8491910f
commit c9b8fecddb
1 changed files with 2 additions and 3 deletions
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5
arch/x86/kvm/cpuid.c
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@ -1290,8 +1290,7 @@ int kvm_dev_ioctl_get_cpuid(struct kvm_cpuid2 *cpuid,
if (sanity_check_entries(entries, cpuid->nent, type))
return -EINVAL;
array.entries = vzalloc(array_size(sizeof(struct kvm_cpuid_entry2),
cpuid->nent));
array.entries = kvcalloc(sizeof(struct kvm_cpuid_entry2), cpuid->nent, GFP_KERNEL);
if (!array.entries)
return -ENOMEM;
@ -1309,7 +1308,7 @@ int kvm_dev_ioctl_get_cpuid(struct kvm_cpuid2 *cpuid,
r = -EFAULT;
out_free:
vfree(array.entries);
kvfree(array.entries);
return r;
}