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authorKevin Hilman <khilman@ti.com>2012-03-05 15:37:04 -0800
committerKevin Hilman <khilman@ti.com>2012-03-05 15:37:04 -0800
commit015f1e4297ad32f83251f3f4cee2389ce5516e9e (patch)
tree1b16e317005dc3d09b0551a4db9182f7f4119f71 /drivers/xen/xenbus/xenbus_dev_frontend.c
parent1b35af54ee9cbbdd13fed53fd4acb0952ba522e1 (diff)
parent9cf793f9b8b1ba9414e2a7591b2e911885f85a27 (diff)
Merge remote-tracking branch 'omap/hsmmc' into for_3.4/cleanup/pm-base
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 527dc2a3b89..89f76252a16 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);