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authorIan Campbell <ian.campbell@citrix.com>2012-01-04 11:39:51 +0000
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-01-04 17:02:04 -0500
commit50bf73796e85ed6a061df6d8474f7cef7870df6a (patch)
tree27ccd8abb98723da4338075d2e69bc0e688efa5a /drivers/xen/xenbus
parent9e7860cee18241633eddb36a4c34c7b61d8cecbc (diff)
downloadvexpress-lsk-50bf73796e85ed6a061df6d8474f7cef7870df6a.tar.gz
xenbus: maximum buffer size is XENSTORE_PAYLOAD_MAX
Use this now that it is defined even though it happens to be == PAGE_SIZE. The code which takes requests from userspace already validates against the size of this buffer so no further checks are required to ensure that userspace requests comply with the protocol in this respect. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Haogang Chen <haogangchen@gmail.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/xenbus')
-rw-r--r--drivers/xen/xenbus/xenbus_dev_frontend.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index aec01420d97..527dc2a3b89 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -105,7 +105,7 @@ struct xenbus_file_priv {
unsigned int len;
union {
struct xsd_sockmsg msg;
- char buffer[PAGE_SIZE];
+ char buffer[XENSTORE_PAYLOAD_MAX];
} u;
/* Response queue. */