diff options
| author | Gagan Grover <ggrover@nvidia.com> | 2016-11-04 16:39:33 +0530 |
|---|---|---|
| committer | Winnie Hsu <whsu@nvidia.com> | 2016-11-08 09:52:40 -0800 |
| commit | 6454f3735146944761701de980bd6205dc979c15 (patch) | |
| tree | 0d488aaef4d3f8e1288234a834b09eb98933840c | |
| parent | 2caf4affa29d959a592727d87d0dec200b98a05b (diff) | |
video: tegra: host: Prevent the race between channel open and close
Moved fd_install() at the end of the channel_open ioctl. So, the fd
can't be used until open ioctl completes.
Bug 1832094
Change-Id: Ib33d43bf5164418a38f98677d4e3295f3d1c1450
Signed-off-by: Gagan Grover <ggrover@nvidia.com>
Reviewed-on: http://git-master/r/1248180
(cherry picked from commit e6a41d5c0049c2878543006b67b7ee2b2bbda2ab)
Reviewed-on: http://git-master/r/1249505
Reviewed-by: Winnie Hsu <whsu@nvidia.com>
Tested-by: Winnie Hsu <whsu@nvidia.com>
| -rw-r--r-- | drivers/video/tegra/host/bus_client.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/tegra/host/bus_client.c b/drivers/video/tegra/host/bus_client.c index 267a977c410b..ee21c80e6871 100644 --- a/drivers/video/tegra/host/bus_client.c +++ b/drivers/video/tegra/host/bus_client.c @@ -785,7 +785,6 @@ static long nvhost_channelctl(struct file *filp, put_unused_fd(fd); break; } - fd_install(fd, file); err = __nvhost_channelopen(NULL, priv->ch, file); if (err) { @@ -795,6 +794,7 @@ static long nvhost_channelctl(struct file *filp, } ((struct nvhost_channel_open_args *)buf)->channel_fd = fd; + fd_install(fd, file); break; } case NVHOST_IOCTL_CHANNEL_GET_SYNCPOINTS: |