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-rw-r--r--drivers/mailbox/mailbox-test.c2
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;

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