blob: 372cd0d665c3da7f55707a9006d4dca218d8b7d0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
From d89b3f22cf7b6bba8081f6d16c9087019fdcf586 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Mon, 18 Nov 2019 16:51:32 +0100
Subject: [PATCH] drm/modes: parse_cmdline: Explicitly memset the
passed in drm_cmdline_mode struct
Commit d1fe276b5115f0d581c3cfe6154633b3547e8aab upstream.
Instead of only setting mode->specified on false on an early exit and
leaving e.g. mode->bpp_specified and mode->refresh_specified as is,
lets be consistent and just zero out the entire passed in struct at
the top of drm_mode_parse_command_line_for_connector()
Changes in v3:
-Drop "mode->specified = false;" line instead of the "return false;" (oops)
This crasher was reported-by: kernel test robot <lkp@intel.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191118155134.30468-11-hdegoede@redhat.com
---
drivers/gpu/drm/drm_modes.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1752,12 +1752,11 @@ bool drm_mode_parse_command_line_for_con
char *bpp_end_ptr = NULL, *refresh_end_ptr = NULL;
int i, len, ret;
+ memset(mode, 0, sizeof(*mode));
mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
- if (!mode_option) {
- mode->specified = false;
+ if (!mode_option)
return false;
- }
name = mode_option;
|
