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path: root/drivers/dma-buf/dma-fence.c
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Diffstat (limited to 'drivers/dma-buf/dma-fence.c')
-rw-r--r--drivers/dma-buf/dma-fence.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index e0fd99e61a2d..f0cdd3e99d36 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -102,7 +102,7 @@ static atomic64_t dma_fence_context_counter = ATOMIC64_INIT(1);
*
* * Drivers are allowed to call dma_fence_wait() from their &mmu_notifier
* respectively &mmu_interval_notifier callbacks. This means any code required
- * for fence completeion cannot allocate memory with GFP_NOFS or GFP_NOIO.
+ * for fence completion cannot allocate memory with GFP_NOFS or GFP_NOIO.
* Only GFP_ATOMIC is permissible, which might fail.
*
* Note that only GPU drivers have a reasonable excuse for both requiring
@@ -309,8 +309,8 @@ bool dma_fence_begin_signalling(void)
if (in_atomic())
return true;
- /* ... and non-recursive readlock */
- lock_acquire(&dma_fence_lockdep_map, 0, 0, 1, 1, NULL, _RET_IP_);
+ /* ... and non-recursive successful read_trylock */
+ lock_acquire(&dma_fence_lockdep_map, 0, 1, 1, 1, NULL, _RET_IP_);
return false;
}
@@ -341,7 +341,7 @@ void __dma_fence_might_wait(void)
lock_map_acquire(&dma_fence_lockdep_map);
lock_map_release(&dma_fence_lockdep_map);
if (tmp)
- lock_acquire(&dma_fence_lockdep_map, 0, 0, 1, 1, NULL, _THIS_IP_);
+ lock_acquire(&dma_fence_lockdep_map, 0, 1, 1, 1, NULL, _THIS_IP_);
}
#endif
@@ -412,7 +412,7 @@ int dma_fence_signal_timestamp(struct dma_fence *fence, ktime_t timestamp)
unsigned long flags;
int ret;
- if (!fence)
+ if (WARN_ON(!fence))
return -EINVAL;
spin_lock_irqsave(fence->lock, flags);
@@ -464,7 +464,7 @@ int dma_fence_signal(struct dma_fence *fence)
int ret;
bool tmp;
- if (!fence)
+ if (WARN_ON(!fence))
return -EINVAL;
tmp = dma_fence_begin_signalling();
@@ -522,7 +522,7 @@ dma_fence_wait_timeout(struct dma_fence *fence, bool intr, signed long timeout)
EXPORT_SYMBOL(dma_fence_wait_timeout);
/**
- * dma_fence_release - default relese function for fences
+ * dma_fence_release - default release function for fences
* @kref: &dma_fence.recfount
*
* This is the default release functions for &dma_fence. Drivers shouldn't call
@@ -974,8 +974,8 @@ void dma_fence_set_deadline(struct dma_fence *fence, ktime_t deadline)
EXPORT_SYMBOL(dma_fence_set_deadline);
/**
- * dma_fence_describe - Dump fence describtion into seq_file
- * @fence: the 6fence to describe
+ * dma_fence_describe - Dump fence description into seq_file
+ * @fence: the fence to describe
* @seq: the seq_file to put the textual description into
*
* Dump a textual description of the fence and it's state into the seq_file.