From 1dcdd7ef96ba11cf7c6a965114577b3509adb7cd Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Thu, 6 May 2021 18:02:18 -0700 Subject: proc: delete redundant subset=pid check Two checks in lookup and readdir code should be enough to not have third check in open code. Can't open what can't be looked up? Link: https://lkml.kernel.org/r/YFYYwIBIkytqnkxP@localhost.localdomain Signed-off-by: Alexey Dobriyan Acked-by: Alexey Gladkov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/inode.c | 4 ---- 1 file changed, 4 deletions(-) (limited to 'fs/proc/inode.c') diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 2ea8aaa7206e..599eb724ff2d 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -483,7 +483,6 @@ proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, static int proc_reg_open(struct inode *inode, struct file *file) { - struct proc_fs_info *fs_info = proc_sb_info(inode->i_sb); struct proc_dir_entry *pde = PDE(inode); int rv = 0; typeof_member(struct proc_ops, proc_open) open; @@ -497,9 +496,6 @@ static int proc_reg_open(struct inode *inode, struct file *file) return rv; } - if (fs_info->pidonly == PROC_PIDONLY_ON) - return -ENOENT; - /* * Ensure that * 1) PDE's ->release hook will be called no matter what -- cgit v1.2.3