missing null termination in one wire uevent

Need to null terminate environment.  Found by inspection while looking for
similar problems to platform uevent bug

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 8d7ab74170d5..a593f900eff4 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -431,6 +431,7 @@ static int w1_uevent(struct device *dev, char **envp, int num_envp,
         err = add_uevent_var(envp, num_envp, &cur_index, buffer, buffer_size,
                         &cur_len, "W1_SLAVE_ID=%024LX",
                         (unsigned long long)sl->reg_num.id);
+        envp[cur_index] = NULL;
         if (err)
                 return err;