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[Qemu-devel] [PULL 03/15] pci-assign: Fix a bug when map MSI-X table mem
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 03/15] pci-assign: Fix a bug when map MSI-X table memory failed |
Date: |
Tue, 13 May 2014 14:57:12 +0200 |
From: Gonglei <address@hidden>
When mmapping memory for the MSI-X table failsthe dev->msix_table is
not set to NULL and assigned_dev_unregister_msix_mmio() will cause
a segfault when trying to munmap it.
Signed-off-by: Gonglei Arei <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Gonglei <address@hidden>
---
hw/i386/kvm/pci-assign.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index e55421a..0572821 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -1664,6 +1664,7 @@ static void
assigned_dev_register_msix_mmio(AssignedDevice *dev, Error **errp)
MAP_ANONYMOUS|MAP_PRIVATE, 0, 0);
if (dev->msix_table == MAP_FAILED) {
error_setg_errno(errp, errno, "failed to allocate msix_table");
+ dev->msix_table = NULL;
return;
}
--
1.8.3.1
- [Qemu-devel] [PULL 00/15] KVM patches for 2014-05-13, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 01/15] target-i386: Remove unused data from local array, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 02/15] kvm: make one_reg helpers available for everyone, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 03/15] pci-assign: Fix a bug when map MSI-X table memory failed,
Paolo Bonzini <=
- [Qemu-devel] [PULL 04/15] pci-assign: limit # of msix vectors, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 05/15] target-i386: set eflags prior to calling svm_load_seg_cache() in svm_helper.c, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 06/15] target-i386: set eflags and cr0 prior to calling cpu_x86_load_seg_cache() in smm_helper.c, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 07/15] target-i386: set eflags prior to calling cpu_x86_load_seg_cache() in seg_helper.c, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 08/15] target-i386: the x86 CPL is stored in CS.selector - auto update hflags accordingly., Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 11/15] target-i386: fix set of registers zeroed on reset, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 12/15] target-i386: preserve FPU and MSR state on INIT, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 09/15] kvm: reset state from the CPU's reset method, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 13/15] apic: do not accept SIPI on the bootstrap processor, Paolo Bonzini, 2014/05/13
- [Qemu-devel] [PULL 10/15] kvm: forward INIT signals coming from the chipset, Paolo Bonzini, 2014/05/13