mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 08:19:28 +00:00
drm/i915: Free write_buf that we allocated with kzalloc.
We use kzalloc to allocate the write_buf that we use for
i2c transfer on hdcp write. But it seems that we are forgetting
to free the memory that is not needed after i2c transfer is
completed.
Reported-by: Brian J Wood <brian.j.wood@intel.com>
Fixes: 2320175feb
("drm/i915: Implement HDCP for HDMI")
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: <stable@vger.kernel.org> # v4.17+
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180823205136.31310-1-rodrigo.vivi@intel.com
This commit is contained in:
parent
a61d904fd6
commit
62d3a8deaa
1 changed files with 6 additions and 2 deletions
|
@ -943,8 +943,12 @@ static int intel_hdmi_hdcp_write(struct intel_digital_port *intel_dig_port,
|
|||
|
||||
ret = i2c_transfer(adapter, &msg, 1);
|
||||
if (ret == 1)
|
||||
return 0;
|
||||
return ret >= 0 ? -EIO : ret;
|
||||
ret = 0;
|
||||
else if (ret >= 0)
|
||||
ret = -EIO;
|
||||
|
||||
kfree(write_buf);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static
|
||||
|
|
Loading…
Reference in a new issue