The return from xc_dom_allocate is not checked for a NULL value.
This patch fixes this, causing it to return from the function with an error.
Signed-off-by: Jennifer Herbert jennifer.herb...@citrix.com
---
tools/libxc/xc_dom_compat_linux.c |6 ++
1 file changed, 6 insertions(+)
diff --git a/tools/libxc/xc_dom_compat_linux.c
b/tools/libxc/xc_dom_compat_linux.c
index 2c14a0f..617cd96 100644
--- a/tools/libxc/xc_dom_compat_linux.c
+++ b/tools/libxc/xc_dom_compat_linux.c
@@ -91,6 +91,8 @@ int xc_linux_build_mem(xc_interface *xch, uint32_t domid,
xc_dom_loginit(xch);
dom = xc_dom_allocate(xch, cmdline, features);
+if (dom == NULL)
+return -1;
if ( (rc = xc_dom_kernel_mem(dom, image_buffer, image_size)) != 0 )
goto out;
if ( initrd ((rc = xc_dom_ramdisk_mem(dom, initrd, initrd_len)) != 0) )
@@ -123,6 +125,8 @@ int xc_linux_build(xc_interface *xch, uint32_t domid,
xc_dom_loginit(xch);
dom = xc_dom_allocate(xch, cmdline, features);
+if (dom == NULL)
+return -1;
if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 )
goto out;
if ( initrd_name strlen(initrd_name)
@@ -146,6 +150,8 @@ int xc_get_bit_size(xc_interface *xch,
int rc;
*bit_size = 0;
dom = xc_dom_allocate(xch, cmdline, features);
+if (dom == NULL)
+return -1;
if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 )
goto out;
if ( (rc = xc_dom_parse_image(dom)) != 0 )
--
1.7.10.4
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