[PATCH] [media] vb2: remove unused variable

[Arnd Bergmann]

A recent bug fix removed all uses of the 'fileio' variable in
vb2_thread_stop(), which now causes warnings in a lot of
ARM defconfig builds:

drivers/media/v4l2-core/videobuf2-core.c:3228:26: warning: unused variable 'fileio' [-Wunused-variable]

This removes the variable as well. The commit that introduced
the warning was marked for 3.18+ backports, so this should
probably be backported too.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Fixes: 0e661006370b7 ("[media] vb2: fix 'UNBALANCED' warnings when calling vb2_thread_stop()")
Cc: <stable@xxxxxxxxxxxxxxx>      # for v3.18 and up

diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index c11aee7db884..d3f7bf0db61e 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -3225,7 +3225,6 @@ EXPORT_SYMBOL_GPL(vb2_thread_start);
 int vb2_thread_stop(struct vb2_queue *q)
 {
 	struct vb2_threadio_data *threadio = q->threadio;
-	struct vb2_fileio_data *fileio = q->fileio;
 	int err;
 
 	if (threadio == NULL)

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