+ proc-convert-the-return-type-of-proc_fd_access_allowed-to-be-boolean.patch added to -mm tree

+ proc-convert-the-return-type-of-proc_fd_access_allowed-to-be-boolean.patch added to -mm tree

[akpm]

The patch titled
     Subject: proc: convert the return type of proc_fd_access_allowed() to be boolean
has been added to the -mm tree.  Its filename is
     proc-convert-the-return-type-of-proc_fd_access_allowed-to-be-boolean.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/proc-convert-the-return-type-of-proc_fd_access_allowed-to-be-boolean.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/proc-convert-the-return-type-of-proc_fd_access_allowed-to-be-boolean.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Qi Zheng <zhengqi.arch@bytedance.com>
Subject: proc: convert the return type of proc_fd_access_allowed() to be boolean

Convert return type of proc_fd_access_allowed() and the 'allowed' in it to
be boolean since the return type of ptrace_may_access() is boolean.

Link: https://lkml.kernel.org/r/20211219024404.29779-1-zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/proc/base.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/proc/base.c~proc-convert-the-return-type-of-proc_fd_access_allowed-to-be-boolean
+++ a/fs/proc/base.c
@@ -670,10 +670,10 @@ static int proc_pid_syscall(struct seq_f
 /************************************************************************/
 
 /* permission checks */
-static int proc_fd_access_allowed(struct inode *inode)
+static bool proc_fd_access_allowed(struct inode *inode)
 {
 	struct task_struct *task;
-	int allowed = 0;
+	bool allowed = false;
 	/* Allow access to a task's file descriptors if it is us or we
 	 * may use ptrace attach to the process and find out that
 	 * information.
_

Patches currently in -mm which might be from zhengqi.arch@bytedance.com are

mm-remove-redundant-check-about-fault_flag_allow_retry-bit.patch
mm-memcg-percpu-account-extra-objcg-space-to-memory-cgroups.patch
proc-convert-the-return-type-of-proc_fd_access_allowed-to-be-boolean.patch