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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-02-21 11:32:19 +0400
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-02-21 11:32:19 +0400
commit3f60db4bde17088feed5f143582d7661cdbb9a01 (patch)
tree21a7866ae6d199cfa8f619ced9500687bdf84f18 /drivers/xen/xenbus/xenbus_dev_frontend.c
parent5e36097889725dbe4f098c3f1e93cb2f21cae6ee (diff)
parentb01543dfe67bb1d191998e90d20534dc354de059 (diff)
downloadlinux-3f60db4bde17088feed5f143582d7661cdbb9a01.tar.xz
Merge commit 'v3.3-rc4'
Diffstat (limited to 'drivers/xen/xenbus/xenbus_dev_frontend.c')
-rw-r--r--drivers/xen/xenbus/xenbus_dev_frontend.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 527dc2a3b89f..89f76252a16f 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -369,6 +369,10 @@ static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u)
goto out;
}
token++;
+ if (memchr(token, 0, u->u.msg.len - (token - path)) == NULL) {
+ rc = -EILSEQ;
+ goto out;
+ }
if (msg_type == XS_WATCH) {
watch = alloc_watch_adapter(path, token);