[src/trunk]: src/sys/external/bsd/drm2/include/linux Paranoia: let dev be nul...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/010651dd2e0e
branches:  trunk
changeset: 366271:010651dd2e0e
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Aug 27 14:19:25 2018 +0000

description:
Paranoia: let dev be null, in match routines.

diffstat:

 sys/external/bsd/drm2/include/linux/device.h |  50 ++++++++++++++++++++-------
 1 files changed, 37 insertions(+), 13 deletions(-)

diffs (69 lines):

diff -r f71c30bbd568 -r 010651dd2e0e sys/external/bsd/drm2/include/linux/device.h
--- a/sys/external/bsd/drm2/include/linux/device.h      Mon Aug 27 14:19:08 2018 +0000
+++ b/sys/external/bsd/drm2/include/linux/device.h      Mon Aug 27 14:19:25 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: device.h,v 1.5 2018/08/27 07:33:35 riastradh Exp $     */
+/*     $NetBSD: device.h,v 1.6 2018/08/27 14:19:25 riastradh Exp $     */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -35,23 +35,47 @@
 #include <sys/types.h>
 #include <sys/systm.h>
 
-#define        dev_crit(DEV, FMT, ...)                                 \
-       aprint_error_dev((DEV), "critical: " FMT, ##__VA_ARGS__)
+#define        dev_crit(DEV, FMT, ...) do {                                          \
+       if (DEV)                                                              \
+               aprint_error_dev((DEV), "critical: " FMT, ##__VA_ARGS__);     \
+       else                                                                  \
+               aprint_error("critical: " FMT, ##__VA_ARGS__);                \
+} while (0)
 
-#define        dev_err(DEV, FMT, ...)                                  \
-       aprint_error_dev((DEV), "error: " FMT, ##__VA_ARGS__)
+#define        dev_err(DEV, FMT, ...)  do {                                          \
+       if (DEV)                                                              \
+               aprint_error_dev((DEV), "error: " FMT, ##__VA_ARGS__);        \
+       else                                                                  \
+               aprint_error("error: " FMT, ##__VA_ARGS__);                   \
+} while (0)
 
-#define        dev_warn(DEV, FMT, ...)                                 \
-       aprint_error_dev((DEV), "warning: " FMT, ##__VA_ARGS__)
+#define        dev_warn(DEV, FMT, ...) do {                                          \
+       if (DEV)                                                              \
+               aprint_error_dev((DEV), "warn: " FMT, ##__VA_ARGS__);         \
+       else                                                                  \
+               aprint_error("warn: " FMT, ##__VA_ARGS__);                    \
+} while (0)
 
-#define        dev_notice(DEV, FMT, ...)                                       \
-       aprint_normal_dev((DEV), "notice: " FMT, ##__VA_ARGS__)
+#define        dev_notice(DEV, FMT, ...)       do {                                  \
+       if (DEV)                                                              \
+               aprint_normal_dev((DEV), "notice: " FMT, ##__VA_ARGS__);      \
+       else                                                                  \
+               aprint_normal("notice: " FMT, ##__VA_ARGS__);                 \
+} while (0)
 
-#define        dev_info(DEV, FMT, ...)                                 \
-       aprint_normal_dev((DEV), "info: " FMT, ##__VA_ARGS__)
+#define        dev_info(DEV, FMT, ...) do {                                          \
+       if (DEV)                                                              \
+               aprint_normal_dev((DEV), "info: " FMT, ##__VA_ARGS__);        \
+       else                                                                  \
+               aprint_normal("info: " FMT, ##__VA_ARGS__);                   \
+} while (0)
 
-#define        dev_dbg(DEV, FMT, ...)                                  \
-       aprint_debug_dev((DEV), "debug: " FMT, ##__VA_ARGS__)
+#define        dev_dbg(DEV, FMT, ...)  do {                                          \
+       if (DEV)                                                              \
+               aprint_debug_dev((DEV), "debug: " FMT, ##__VA_ARGS__);        \
+       else                                                                  \
+               aprint_debug("debug: " FMT, ##__VA_ARGS__);                   \
+} while (0)
 
 #define        dev_name        device_xname