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drm/tegra: Add call to put_pid()

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[ Upstream commit 6cbab9f0da72b4dc3c3f9161197aa3b9daa1fa3a ]

Add a call to put_pid() corresponding to get_task_pid().
host1x_memory_context_alloc() does not take ownership of the PID so we
need to free it here to avoid leaking.

Signed-off-by: Prateek Agarwal <praagarwal@nvidia.com>
Fixes: e09db97889 ("drm/tegra: Support context isolation")
[mperttunen@nvidia.com: reword commit message]
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patch.msgid.link/20250919-host1x-put-pid-v1-1-19c2163dfa87@nvidia.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Prateek Agarwal
2025-09-19 13:25:40 +09:00
committed by Greg Kroah-Hartman
parent ddb483ce21
commit 2e78580e6e
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/tegra/uapi.c
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@@ -114,9 +114,12 @@ int tegra_drm_ioctl_channel_open(struct drm_device *drm, void *data, struct drm_
if (err)
goto put_channel;
if (supported)
if (supported) {
struct pid *pid = get_task_pid(current, PIDTYPE_TGID);
context->memory_context = host1x_memory_context_alloc(
host, client->base.dev, get_task_pid(current, PIDTYPE_TGID));
host, client->base.dev, pid);
put_pid(pid);
}
if (IS_ERR(context->memory_context)) {
if (PTR_ERR(context->memory_context) != -EOPNOTSUPP) {