[libvirt] [PATCH] qemu: fix a crash when save file can't be opened

In qemuDomainSaveMemory, wrapperFd might be NULL and should be checked before calling virFileWrapperFdCatchError. Same in doCoreDump. Bug: https://bugzilla.redhat.com/show_bug.cgi?id=880919 --- src/qemu/qemu_driver.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index c526f5f..7892293 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -2906,7 +2906,8 @@ qemuDomainSaveMemory(struct qemud_driver *driver, cleanup: VIR_FORCE_CLOSE(fd); - virFileWrapperFdCatchError(wrapperFd); + if (wrapperFd) + virFileWrapperFdCatchError(wrapperFd); virFileWrapperFdFree(wrapperFd); VIR_FREE(xml); @@ -3362,7 +3363,8 @@ doCoreDump(struct qemud_driver *driver, cleanup: VIR_FORCE_CLOSE(fd); if (ret != 0) { - virFileWrapperFdCatchError(wrapperFd); + if (wrapperFd) + virFileWrapperFdCatchError(wrapperFd); unlink(path); } virFileWrapperFdFree(wrapperFd); -- 1.7.8.6