[ 50/68] thermal: shorten too long mcast group name

Greg Kroah-Hartman
2013-04-02T22:22:20Z

From: Masatake YAMATO <yamato@redhat.com>

[ Upstream commits 73214f5d9f33b79918b1f7babddd5c8af28dd23d
and f1e79e208076ffe7bad97158275f1c572c04f5c7, the latter
adds an assertion to genetlink to prevent this from happening
again in the future. ]

The original name is too long.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/thermal.h | 2 +-
net/netlink/genetlink.c | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)

--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -108,7 +108,7 @@ struct thermal_zone_device {
/* Adding event notification support elements */
#define THERMAL_GENL_FAMILY_NAME "thermal_event"
#define THERMAL_GENL_VERSION 0x01
-#define THERMAL_GENL_MCAST_GROUP_NAME "thermal_mc_group"
+#define THERMAL_GENL_MCAST_GROUP_NAME "thermal_mc_grp"

enum events {
THERMAL_AUX0,
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -142,6 +142,7 @@ int genl_register_mc_group(struct genl_f
int err = 0;

BUG_ON(grp->name[0] == '\0');
+ BUG_ON(memchr(grp->name, '\0', GENL_NAMSIZ) == NULL);

genl_lock();