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authorDave Airlie <airlied@redhat.com>2017-08-30 05:53:13 +1000
committerDave Airlie <airlied@redhat.com>2017-08-30 05:53:13 +1000
commite38f5164cacd3281b72c99ec0f5e4705ec1d1a55 (patch)
treea84f57cd0b5d823f1601aa2e874362aa05b3291d /drivers/gpu
parentcc4a41fe5541a73019a864883297bd5043aa6d98 (diff)
parent79964dbaf662229253b281c42e82e2675a9d3b80 (diff)
downloadlinux-e38f5164cacd3281b72c99ec0f5e4705ec1d1a55.tar.bz2
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
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/bridge/sil-sii8620.c4
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;