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dma-fence: Don't BUG_ON when not absolutely needed 

It makes debugging a massive pain.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170720125107.26693-1-daniel.vetter@ffwll.ch
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
hifive-unleashed-5.1
Daniel Vetter 2017-07-20 14:51:07 +02:00
parent 4bf99144d2
commit 6ce31263c9
2 changed files with 4 additions and 4 deletions
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4
drivers/dma-buf/dma-fence.c
View File

@ -48,7 +48,7 @@ static atomic64_t dma_fence_context_counter = ATOMIC64_INIT(0);
*/
u64 dma_fence_context_alloc(unsigned num)
{
BUG_ON(!num);
WARN_ON(!num);
return atomic64_add_return(num, &dma_fence_context_counter) - num;
}
EXPORT_SYMBOL(dma_fence_context_alloc);
@ -177,7 +177,7 @@ void dma_fence_release(struct kref *kref)
trace_dma_fence_destroy(fence);
BUG_ON(!list_empty(&fence->cb_list));
WARN_ON(!list_empty(&fence->cb_list));
if (fence->ops->release)
fence->ops->release(fence);

4
include/linux/dma-fence.h
View File

@ -429,8 +429,8 @@ int dma_fence_get_status(struct dma_fence *fence);
static inline void dma_fence_set_error(struct dma_fence *fence,
int error)
{
BUG_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags));
BUG_ON(error >= 0 || error < -MAX_ERRNO);
WARN_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags));
WARN_ON(error >= 0 || error < -MAX_ERRNO);
fence->error = error;
}