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. _
