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| author | Jiri Slaby <jirislaby@gmail.com> | 2009-06-29 18:05:10 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:33:06 +0300 |
| commit | 27c4ba60171d9ce29d3645619837760d758ed288 (patch) | |
| tree | b32696a5c783c90009200b80783cb667b6e15005 /virt/kvm/ioapic.c | |
| parent | 22fc02943a630417cb71734cd0b2e6f8dc4210b6 (diff) | |
| download | lwn-27c4ba60171d9ce29d3645619837760d758ed288.tar.gz lwn-27c4ba60171d9ce29d3645619837760d758ed288.zip | |
KVM: fix lock imbalance
There is a missing unlock on one fail path in ioapic_mmio_write,
fix that.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt/kvm/ioapic.c')
| -rw-r--r-- | virt/kvm/ioapic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index ddf6aa998b18..8a9c6cc382f8 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -292,7 +292,7 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, data = *(u32 *) val; else { printk(KERN_WARNING "ioapic: Unsupported size %d\n", len); - return 0; + goto unlock; } addr &= 0xff; @@ -313,6 +313,7 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, default: break; } +unlock: mutex_unlock(&ioapic->kvm->irq_lock); return 0; } |