From 33b3357f9000a8c07ea2e07b85d86abb89b1c68f Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 19 Mar 2009 10:39:31 +0900 Subject: [PATCH] --- yaml --- r: 138937 b: refs/heads/master c: 35d40952dba7b0689a16bd1463fb7698f8dbe639 h: refs/heads/master i: 138935: c93623e363061fd540af75ce6b9305cc1a025ba9 v: v3 --- [refs] | 2 +- trunk/lib/dma-debug.c | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/[refs] b/[refs] index ed50e0c2b23e..ac9c03083e0d 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 84be58d4601c86306cd939ebf58a9b90989883a4 +refs/heads/master: 35d40952dba7b0689a16bd1463fb7698f8dbe639 diff --git a/trunk/lib/dma-debug.c b/trunk/lib/dma-debug.c index 9a350b414a50..f9e6d38b4b34 100644 --- a/trunk/lib/dma-debug.c +++ b/trunk/lib/dma-debug.c @@ -531,8 +531,11 @@ static void check_unmap(struct dma_debug_entry *ref) struct hash_bucket *bucket; unsigned long flags; - if (dma_mapping_error(ref->dev, ref->dev_addr)) + if (dma_mapping_error(ref->dev, ref->dev_addr)) { + err_printk(ref->dev, NULL, "DMA-API: device driver tries " + "to free an invalid DMA memory address\n"); return; + } bucket = get_hash_bucket(ref, &flags); entry = hash_bucket_find(bucket, ref);