kernel/crash_core.c: make __crash_hotplug_lock static

sparse warnings: kernel/crash_core.c:749:1: sparse: sparse: symbol '__crash_hotplug_lock' was not declared. Should it be static? Fixes: e2a8f20 ("Crash: add lock to serialize crash hotplug handling") Reported-by: kernel test robot <[email protected]> Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ Cc: Baoquan He <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
torvalds · Jan 12, 2024 · 4e87ff5 · 4e87ff5
1 parent 7ea6ec4
commit 4e87ff5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/kernel/crash_core.c b/kernel/crash_core.c
@@ -877,7 +877,7 @@ subsys_initcall(crash_notes_memory_init);
  * regions are online. So mutex lock __crash_hotplug_lock is used to
  * serialize the crash hotplug handling specifically.
  */
-DEFINE_MUTEX(__crash_hotplug_lock);
+static DEFINE_MUTEX(__crash_hotplug_lock);
 #define crash_hotplug_lock() mutex_lock(&__crash_hotplug_lock)
 #define crash_hotplug_unlock() mutex_unlock(&__crash_hotplug_lock)