Commit d2ec3f77 authored by Kees Cook's avatar Kees Cook Committed by Greg Kroah-Hartman
Browse files

pty: make ptmx file ops read-only after init 



The ptmx_fops structure is only changed during init, so mark it as such.

Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a727b025

drivers/tty/pty.c

+1 −1
Original line number Diff line number Diff line
@@ -800,7 +800,7 @@ static int ptmx_open(struct inode *inode, struct file *filp) 
	return retval;

}



static struct file_operations ptmx_fops;

static struct file_operations ptmx_fops __ro_after_init;



static void __init unix98_pty_init(void)

{