drm/i915: Check for a NULL shared dpll before dereferencing

[cascardo/linux.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 140b66a..4bff173 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -505,8 +505,7 @@ config DEBUG_VM_RB
        bool "Debug VM red-black trees"
        depends on DEBUG_VM
        help
-         Enable this to turn on more extended checks in the virtual-memory
-         system that may impact performance.
+         Enable VM red-black tree debugging information and extra validations.
 
          If unsure, say N.
 
@@ -1497,6 +1496,7 @@ config RBTREE_TEST
 config INTERVAL_TREE_TEST
        tristate "Interval tree test"
        depends on m && DEBUG_KERNEL
+       select INTERVAL_TREE
        help
          A benchmark measuring the performance of the interval tree library