diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2018-09-20 21:51:29 +0300 |
---|---|---|
committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2018-10-01 21:56:14 +0300 |
commit | 480b8b3e42c3d959f8b6346c24c088eb70ef9fc2 (patch) | |
tree | 6eaaad4b82359ab2463823bccd2cbe12eabe8deb /drivers/media/i2c/tda1997x.c | |
parent | f26e1de5ec487c040efa845f280d110c29baea32 (diff) |
video/hdmi: Pass buffer size to infoframe unpack functions
To make sure the infoframe unpack functions don't end up examining
stack garbage or oopsing, let's pass in the size of the buffer.
v2: Convert tda1997x.c as well (kbuild test robot)
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920185145.1912-3-ville.syrjala@linux.intel.com
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Diffstat (limited to 'drivers/media/i2c/tda1997x.c')
-rw-r--r-- | drivers/media/i2c/tda1997x.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c index d114ac5243ec..195a1fc74ee8 100644 --- a/drivers/media/i2c/tda1997x.c +++ b/drivers/media/i2c/tda1997x.c @@ -1253,7 +1253,7 @@ tda1997x_parse_infoframe(struct tda1997x_state *state, u16 addr) /* read data */ len = io_readn(sd, addr, sizeof(buffer), buffer); - err = hdmi_infoframe_unpack(&frame, buffer); + err = hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer)); if (err) { v4l_err(state->client, "failed parsing %d byte infoframe: 0x%04x/0x%02x\n", @@ -1928,7 +1928,7 @@ static int tda1997x_log_infoframe(struct v4l2_subdev *sd, int addr) /* read data */ len = io_readn(sd, addr, sizeof(buffer), buffer); v4l2_dbg(1, debug, sd, "infoframe: addr=%d len=%d\n", addr, len); - err = hdmi_infoframe_unpack(&frame, buffer); + err = hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer)); if (err) { v4l_err(state->client, "failed parsing %d byte infoframe: 0x%04x/0x%02x\n", |