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media: rockchip: hdmirx: fix put_user fail on kernel-6.1.

Browse Source 
Type: Fix
Redmine ID: #500594
Associated modifications: gerrit links
Test: echo 1 > /sys/module/rockchip_hdmirx/parameters/low_latency
      and preview hdmiin.

Change-Id: Idd9fc6613b2fc547674ecaed8c5c940dee8526e6
Signed-off-by: Wangqiang Guo <kay.guo@rock-chips.com>
This commit is contained in:
Wangqiang Guo
2024-08-29 11:28:33 +08:00
committed by Tao Huang
parent 870fe4496a
commit 1f0e792e84
1 changed files with 4 additions and 3 deletions
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7
drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
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@@ -3050,9 +3050,10 @@ static void hdmirx_add_fence_to_vb_done(struct hdmirx_stream *stream,
if (vb_fence) {
/* pass the fence_fd to userspace through timecode.userbits */
if (put_user(vb_fence->fence_fd, vb_done->timecode.userbits))
v4l2_err(v4l2_dev, "%s: failed to trans fence fd!\n", __func__);
vb_done->timecode.userbits[0] = vb_fence->fence_fd & 0xff;
vb_done->timecode.userbits[1] = (vb_fence->fence_fd & 0xff00) >> 8;
vb_done->timecode.userbits[2] = (vb_fence->fence_fd & 0xff0000) >> 16;
vb_done->timecode.userbits[3] = (vb_fence->fence_fd & 0xff000000) >> 24;
v4l2_dbg(3, debug, v4l2_dev, "%s: fence:%p, fence_fd:%d\n",
__func__, vb_fence->fence, vb_fence->fence_fd);
} else {