Compiler Attributes: auxdisplay: panel: use __nonstring

Let gcc know these arrays are not meant to be NUL-terminated
by annotating them with the new __nonstring variable attribute;
and remove the comment since it conveys the same information.

Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # on top of v4.19-rc5, clang 7
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>

diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c
index 3b25a64..21b9b2f 100644 (file)
--- a/drivers/auxdisplay/panel.c
+++ b/drivers/auxdisplay/panel.c
@@ -155,10 +155,9 @@ struct logical_input {
                        int release_data;
                } std;
                struct {        /* valid when type == INPUT_TYPE_KBD */
-                       /* strings can be non null-terminated */
-                       char press_str[sizeof(void *) + sizeof(int)];
-                       char repeat_str[sizeof(void *) + sizeof(int)];
-                       char release_str[sizeof(void *) + sizeof(int)];
+                       char press_str[sizeof(void *) + sizeof(int)] __nonstring;
+                       char repeat_str[sizeof(void *) + sizeof(int)] __nonstring;
+                       char release_str[sizeof(void *) + sizeof(int)] __nonstring;
                } kbd;
        } u;
 };