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proc: convert the return type of proc_fd_access_allowed() to be boolean

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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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Qi Zheng 2022-01-19 18:08:03 -08:00 committed by Linus Torvalds
parent ae62fbe299
commit 51a1873440
1 changed files with 2 additions and 2 deletions
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4
fs/proc/base.c
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@ -670,10 +670,10 @@ static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns,
/************************************************************************/
/* 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.