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fork: Using clone_flags for legacy clone check 

In the current implementation of clone(), there is a line that
initializes `u64 clone_flags = args->flags` at the top.
This means that there is no longer a need to use args->flags
for the legacy clone check.

Signed-off-by: Wang Jinchao <wangjinchao@xfusion.com>
Link: https://lore.kernel.org/r/202401311054+0800-wangjinchao@xfusion.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Wang Jinchao 2024-01-31 10:54:41 +08:00 committed by Christian Brauner
parent 6613476e22
commit b639585e71
1 changed files with 2 additions and 2 deletions
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4
kernel/fork.c
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@ -2875,8 +2875,8 @@ pid_t kernel_clone(struct kernel_clone_args *args)
* here has the advantage that we don't need to have a separate helper
* to check for legacy clone().
*/
if ((args->flags & CLONE_PIDFD) &&
(args->flags & CLONE_PARENT_SETTID) &&
if ((clone_flags & CLONE_PIDFD) &&
(clone_flags & CLONE_PARENT_SETTID) &&
(args->pidfd == args->parent_tid))
return -EINVAL;