[PATCH] kexec: propagate ENOMEM result in error handling

[Matthew Daley <mattd@bugfuzz.com>]

...otherwise if kimage_alloc_control_page fails (presumably due to
out-of-memory; see the invocation just before this one), the caller of
do_kimage_alloc will think the call was successful.

Signed-off-by: Matthew Daley <mattd@bugfuzz.com>
---
 xen/common/kimage.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/common/kimage.c b/xen/common/kimage.c
index 91943f1..9b79a5e 100644
--- a/xen/common/kimage.c
+++ b/xen/common/kimage.c
@@ -182,6 +182,7 @@ static int do_kimage_alloc(struct kexec_image **rimage, paddr_t entry,
         goto out;
 
     /* Add an empty indirection page. */
+    result = -ENOMEM;
     image->entry_page = kimage_alloc_control_page(image, 0);
     if ( !image->entry_page )
         goto out;
-- 
1.9.0