On Wed, Dec 15, 2021 at 02:09:12PM -0500, Richard Guy Briggs wrote:

On 2021-12-14 17:35, Paul Moore wrote:

quoted

On Wed, Dec 8, 2021 at 3:33 AM Leo Yan [off-list ref] wrote:

quoted

Replace open code with task_is_in_init_pid_ns() for checking root PID
namespace.

Signed-off-by: Leo Yan <redacted>
---
 kernel/audit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

I'm not sure how necessary this is, but it looks correct to me.

I had the same thought.  I looks correct to me.  I could see the value
if it permitted init_pid_ns to not be global.

Just for a background info, we need to check root PID namespace in some
drivers [1], to avoid introducing more open codes, we decided to refactor
with helper task_is_in_init_pid_ns().

[1] https://lore.kernel.org/lkml/20211213121323.1887180-1-leo.yan@linaro.org/ (local)

quoted

Acked-by: Paul Moore <paul@paul-moore.com>

Reviewed-by: Richard Guy Briggs <redacted>

Thanks for review, Paul and Richard.

Leo

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