[patch 07/55] proc: convert the return type of proc_fd_access_allowed() to be boolean

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From: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx
Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 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.
_



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