summaryrefslogtreecommitdiffstats
path: root/lib/dma-debug.c
diff options
context:
space:
mode:
authorJames Morris <james.l.morris@oracle.com>2012-06-10 22:52:10 +1000
committerJames Morris <james.l.morris@oracle.com>2012-06-10 22:52:10 +1000
commit66dd07b88a1c9d446f32253da606b87324fa620e (patch)
tree4e0971bdd543585c7ab46716ae808a7fd82f9c35 /lib/dma-debug.c
parentf52c44cd27b4a0be37ef97f0466e4095ebebef3f (diff)
parentcfaf025112d3856637ff34a767ef785ef5cf2ca9 (diff)
Merge commit 'v3.5-rc2' into next
Diffstat (limited to 'lib/dma-debug.c')
-rw-r--r--lib/dma-debug.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 13ef2338be4..518aea714d2 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -430,7 +430,7 @@ static struct dma_debug_entry *__dma_entry_alloc(void)
*/
static struct dma_debug_entry *dma_entry_alloc(void)
{
- struct dma_debug_entry *entry = NULL;
+ struct dma_debug_entry *entry;
unsigned long flags;
spin_lock_irqsave(&free_entries_lock, flags);
@@ -438,11 +438,14 @@ static struct dma_debug_entry *dma_entry_alloc(void)
if (list_empty(&free_entries)) {
pr_err("DMA-API: debugging out of memory - disabling\n");
global_disable = true;
- goto out;
+ spin_unlock_irqrestore(&free_entries_lock, flags);
+ return NULL;
}
entry = __dma_entry_alloc();
+ spin_unlock_irqrestore(&free_entries_lock, flags);
+
#ifdef CONFIG_STACKTRACE
entry->stacktrace.max_entries = DMA_DEBUG_STACKTRACE_ENTRIES;
entry->stacktrace.entries = entry->st_entries;
@@ -450,9 +453,6 @@ static struct dma_debug_entry *dma_entry_alloc(void)
save_stack_trace(&entry->stacktrace);
#endif
-out:
- spin_unlock_irqrestore(&free_entries_lock, flags);
-
return entry;
}