Patch "i2c: xgene: Avoid dma_buffer overrun" has been added to the 4.8-stable tree

This is a note to let you know that I've just added the patch titled

i2c: xgene: Avoid dma_buffer overrun

to the 4.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
i2c-xgene-avoid-dma_buffer-overrun.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Hoan Tran <[email protected]>
Date: Mon, 10 Oct 2016 10:13:10 -0700
Subject: i2c: xgene: Avoid dma_buffer overrun

From: Hoan Tran <[email protected]>

commit 603616017c35f4d0fbdbcace72adf9bf949c4a65 upstream.

SMBus block command uses the first byte of buffer for the data length. The dma_buffer should be increased by 1 to avoid the overrun issue.

---
 drivers/i2c/busses/i2c-xgene-slimpro.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -105,7 +105,7 @@ struct slimpro_i2c_dev {
 	struct mbox_chan *mbox_chan;
 	struct mbox_client mbox_client;
 	struct completion rd_complete;
-	u8 dma_buffer[I2C_SMBUS_BLOCK_MAX];
+	u8 dma_buffer[I2C_SMBUS_BLOCK_MAX + 1]; /* dma_buffer[0] is used for length */
 	u32 *resp_msg;
 };
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.8/i2c-xgene-avoid-dma_buffer-overrun.patch