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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
This commit is contained in:
Dave Airlie 2017-08-30 05:53:13 +10:00
parent cc4a41fe55 79964dbaf6
commit e38f5164ca
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/bridge/sil-sii8620.c
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@ -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;