diff options
Diffstat (limited to 'drivers/media/i2c/ad9389b.c')
| -rw-r--r-- | drivers/media/i2c/ad9389b.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c index 58344b6c3a55..436b9fd4775e 100644 --- a/drivers/media/i2c/ad9389b.c +++ b/drivers/media/i2c/ad9389b.c @@ -36,6 +36,7 @@ #include <media/v4l2-common.h> #include <media/v4l2-ctrls.h> #include <media/ad9389b.h> +#include <asm/barrier.h> static int debug; module_param(debug, int, 0644); @@ -627,6 +628,9 @@ static int ad9389b_get_edid(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edi } if (edid->start_block >= state->edid.segments * 2) return -E2BIG; + + speculation_barrier(); + if (edid->blocks + edid->start_block >= state->edid.segments * 2) edid->blocks = state->edid.segments * 2 - edid->start_block; memcpy(edid->edid, &state->edid.data[edid->start_block * 128], |