Commit c3ac54a6 authored Oct 22, 2015 by Dan Carpenter Committed by Jassi Brar Oct 27, 2015

mailbox: Off by one in mbox_test_message_read()



We need to leave space for the NUL char.

Fixes: 8ea4484d ('mailbox: Add generic mechanism for testing Mailbox Controllers')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

parent 8e3c5952

drivers/mailbox/mailbox-test.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;