From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Date: Mon, 2 Feb 2015 10:06:56 +0000 (+0100)
Subject: spi/xilinx: Fix access invalid memory on xilinx_spi_tx
X-Git-Tag: fixes-v4.0-rc1~184^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=34093cb97abe9298a19a96b1b2f1714e28f8e67f;p=pandora-kernel.git

spi/xilinx: Fix access invalid memory on xilinx_spi_tx

On 1 and 2 bytes per word, the transfer of the 3 last bytes will access
memory outside tx_ptr.

Although this has not trigger any error on real hardware, we should
better fix this.

Fixes: 24ba5e593f391507 (Remove rx_fn and tx_fn pointer)
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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