[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-devel] [PATCH] tmem: typo causes incorrect return on out-of-memory



This classic typo in tmem would result in a false positive
report on a tmem "put" operation if a (unfragmented) page
of memory is completely unavailable.

Signed-off-by: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>

diff -r b8d2a4134a68 xen/common/tmem.c
--- a/xen/common/tmem.c Wed Mar 03 17:41:58 2010 +0000
+++ b/xen/common/tmem.c Tue Mar 09 08:53:12 2010 -0700
@@ -1308,7 +1308,7 @@ copy_uncompressed:
 copy_uncompressed:
     if ( ( pgp->pfp = tmem_page_alloc(pool) ) == NULL )
     {
-        ret == -ENOMEM;
+        ret = -ENOMEM;
         goto delete_and_free;
     }
     /* tmh_copy_from_client properly handles len==0 (TMEM_NEW_PAGE) */

Attachment: tmem-typo.patch
Description: Binary data

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.