commit c3ac54a6f554475b034f87d471417bf0afcf3a42
author Dan Carpenter <dan.carpenter@oracle.com> Thu Oct 22 22:51:27 2015 +0300
committer Jassi Brar <jaswinder.singh@linaro.org> Tue Oct 27 21:27:25 2015 +0530
tree 779c174f3e3a6d9430f6ad972703c8cf39103b63
parent 8e3c5952144f045a0c81bf674d3f5e1d9aafceb7

mailbox: Off by one in mbox_test_message_read()

We need to leave space for the NUL char.

Fixes: 8ea4484d0c2b ('mailbox: Add generic mechanism for testing Mailbox Controllers')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

drivers/mailbox/mailbox-test.c

diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c
index a4f10cc..f82dc89 100644
--- a/drivers/mailbox/mailbox-test.c
+++ b/drivers/mailbox/mailbox-test.c
@@ -143,7 +143,7 @@
 	int l = 0;
 	int ret;
 
-	touser = kzalloc(MBOX_HEXDUMP_MAX_LEN, GFP_KERNEL);
+	touser = kzalloc(MBOX_HEXDUMP_MAX_LEN + 1, GFP_KERNEL);
 	if (!touser)
 		return -ENOMEM;