1 files changed, 0 insertions, 55 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/v4l2loopback/revert-pr518.patch b/nixpkgs/pkgs/os-specific/linux/v4l2loopback/revert-pr518.patch
deleted file mode 100644
index d5d2564c32c4..000000000000
--- a/nixpkgs/pkgs/os-specific/linux/v4l2loopback/revert-pr518.patch
+++ /dev/null
@@ -1,55 +0,0 @@
-diff --git a/v4l2loopback.c b/v4l2loopback.c
-index 2ab1f76..2514f09 100644
---- a/v4l2loopback.c
-+++ b/v4l2loopback.c
-@@ -92,17 +92,6 @@ MODULE_LICENSE("GPL");
- 		}                                                      \
- 	} while (0)
- 
--/* TODO: Make sure that function is never interrupted. */
--static inline int mod_inc(int *number, int mod)
--{
--	int result;
--	result = (*number + 1) % mod;
--	if (unlikely(result < 0))
--		result += mod;
--	*number = result;
--	return result;
--}
--
- static inline void v4l2l_get_timestamp(struct v4l2_buffer *b)
- {
- 	/* ktime_get_ts is considered deprecated, so use ktime_get_ts64 if possible */
-@@ -1424,8 +1413,9 @@ static int vidioc_reqbufs(struct file *file, void *fh,
- 			i = dev->write_position;
- 			list_for_each_entry(pos, &dev->outbufs_list,
- 					    list_head) {
--				dev->bufpos2index[mod_inc(&i, b->count)] =
-+				dev->bufpos2index[i % b->count] =
- 					pos->buffer.index;
-+				++i;
- 			}
- 		}
- 
-@@ -1489,9 +1479,10 @@ static void buffer_written(struct v4l2_loopback_device *dev,
- 	del_timer_sync(&dev->timeout_timer);
- 	spin_lock_bh(&dev->lock);
- 
--	dev->bufpos2index[mod_inc(&dev->write_position, dev->used_buffers)] =
-+	dev->bufpos2index[dev->write_position % dev->used_buffers] =
- 		buf->buffer.index;
- 	list_move_tail(&buf->list_head, &dev->outbufs_list);
-+	++dev->write_position;
- 	dev->reread_count = 0;
- 
- 	check_timers(dev);
-@@ -1586,7 +1577,8 @@ static int get_capture_buffer(struct file *file)
- 		if (dev->write_position >
- 		    opener->read_position + dev->used_buffers)
- 			opener->read_position = dev->write_position - 1;
--		pos = mod_inc(&opener->read_position, dev->used_buffers);
-+		pos = opener->read_position % dev->used_buffers;
-+		++opener->read_position;
- 	}
- 	timeout_happened = dev->timeout_happened;
- 	dev->timeout_happened = 0;