[libvirt] [PATCH] libxl: avoid a dereference of a null pointer
Variable 'l_disk' initialized to a null pointer value, control jumps to 'case
VIR_DOMAIN_DISK_DEVICE_DISK and then taking false branch, Within the expansion
of the macro 'libxlError': Field access results in a dereference of a null
pointer (loaded from variable 'l_disk').
* src/libxl/libxl_driver.c: Field access results in a dereference of a null
pointer (loaded from variable 'l_disk')
Signed-off-by: Alex Jia <ajia(a)redhat.com>
---
src/libxl/libxl_driver.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index 91da438..bbc3059 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -3016,7 +3016,7 @@ libxlDomainDetachDeviceDiskLive(libxlDomainObjPrivatePtr priv,
} else {
libxlError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk bus '%s' cannot be hot unplugged."),
- virDomainDiskBusTypeToString(l_disk->bus));
+ virDomainDiskBusTypeToString(dev->data.disk->bus));
}
break;
default:
--
1.7.5.1