Merge tag 'drm-misc-fixes-2017-08-28' of git://anongit.freedesktop.org/git/drm-misc into drm-fixes

Driver Changes:
- bridge/sii8620: Fix out-of-bounds write to incorrect register

Cc: Maciej Purski <m.purski@samsung.com>
Cc: Andrzej Hajda <a.hajda@samsung.com>

* tag 'drm-misc-fixes-2017-08-28' of git://anongit.freedesktop.org/git/drm-misc:
  drm/bridge/sii8620: Fix memory corruption

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index 2d51a2269fc6..5131bfb94f06 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -597,9 +597,9 @@ static void sii8620_mt_read_devcap(struct sii8620 *ctx, bool xdevcap)
 static void sii8620_mt_read_devcap_reg_recv(struct sii8620 *ctx,
                 struct sii8620_mt_msg *msg)
 {
-        u8 reg = msg->reg[0] & 0x7f;
+        u8 reg = msg->reg[1] & 0x7f;
 
-        if (msg->reg[0] & 0x80)
+        if (msg->reg[1] & 0x80)
                 ctx->xdevcap[reg] = msg->ret;
         else
                 ctx->devcap[reg] = msg->ret;