Messages in this thread Patch in this message | | | Date | Thu, 8 Sep 2016 15:35:59 -0700 | From | Kees Cook <> | Subject | [PATCH] pty: make ptmx file ops read-only after init |
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The ptmx_fops structure is only changed during init, so mark it as such.
Signed-off-by: Kees Cook <keescook@chromium.org> --- drivers/tty/pty.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index 51e0d32883ba..a23fa5ed1d67 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -800,7 +800,7 @@ out_free_file: return retval; } -static struct file_operations ptmx_fops; +static struct file_operations ptmx_fops __ro_after_init; static void __init unix98_pty_init(void) { -- 2.7.4
-- Kees Cook Nexus Security
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