diff options
| author |   Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> | 2013-07-17 12:10:29 -0300 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-09 18:06:54 +1000 |
| commit | e0e13614626bfb5a88678fd951d728ed40e3cbf6 (patch) | |
| tree | 34ef657486ca32b5c0de2026ed6864dbecb5b2e9 /arch/powerpc | |
| parent | powerpc/kvm: Add signed type cast for comparation (diff) | |
| download | linux-dev-e0e13614626bfb5a88678fd951d728ed40e3cbf6.tar.xz linux-dev-e0e13614626bfb5a88678fd951d728ed40e3cbf6.zip | |
powerpc/kvm/book3s_pr: Return appropriate error when allocation fails
err was overwritten by a previous function call, and checked to be 0. If
the following page allocation fails, 0 is going to be returned instead
of -ENOMEM.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kvm/book3s_pr.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 19498a567a81..c6e13d9a9e15 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -1047,11 +1047,12 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) if (err) goto free_shadow_vcpu; + err = -ENOMEM; p = __get_free_page(GFP_KERNEL|__GFP_ZERO); - /* the real shared page fills the last 4k of our page */ - vcpu->arch.shared = (void*)(p + PAGE_SIZE - 4096); if (!p) goto uninit_vcpu; + /* the real shared page fills the last 4k of our page */ + vcpu->arch.shared = (void *)(p + PAGE_SIZE - 4096); #ifdef CONFIG_PPC_BOOK3S_64 /* default to book3s_64 (970fx) */ |