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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-10-22 22:51:27 +0300 |
|---|---|---|
| committer | Jassi Brar <jaswinder.singh@linaro.org> | 2015-10-27 21:27:25 +0530 |
| commit | c3ac54a6f554475b034f87d471417bf0afcf3a42 (patch) | |
| tree | 779c174f3e3a6d9430f6ad972703c8cf39103b63 | |
| parent | 8e3c5952144f045a0c81bf674d3f5e1d9aafceb7 (diff) | |
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>
| -rw-r--r-- | drivers/mailbox/mailbox-test.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c index a4f10cc4aea3..f82dc8926687 100644 --- a/drivers/mailbox/mailbox-test.c +++ b/drivers/mailbox/mailbox-test.c @@ -143,7 +143,7 @@ static ssize_t mbox_test_message_read(struct file *filp, char __user *userbuf, 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; |