1 files changed, 10 insertions, 2 deletions

diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 1ac35dbaf8e0..9722bd2dbc9b 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -102,9 +102,12 @@ static DEFINE_SPINLOCK(free_entries_lock);
 /* Global disable flag - will be set in case of an error */
 static u32 global_disable __read_mostly;
 
+/* Early initialization disable flag, set at the end of dma_debug_init */
+static bool dma_debug_initialized __read_mostly;
+
 static inline bool dma_debug_disabled(void)
 {
-        return global_disable;
+        return global_disable || !dma_debug_initialized;
 }
 
 /* Global error count */
@@ -999,7 +1002,10 @@ void dma_debug_init(u32 num_entries)
 {
         int i;
 
-        if (dma_debug_disabled())
+        /* Do not use dma_debug_initialized here, since we really want to be
+         * called to set dma_debug_initialized
+         */
+        if (global_disable)
                 return;
 
         for (i = 0; i < HASH_SIZE; ++i) {
@@ -1026,6 +1032,8 @@ void dma_debug_init(u32 num_entries)
 
         nr_total_entries = num_free_entries;
 
+        dma_debug_initialized = true;
+
         pr_info("DMA-API: debugging enabled by kernel config\n");
 }