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-rw-r--r--drivers/hwtracing/coresight/coresight-etb10.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 2461d5c8c157..b0d402dbfeae 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -440,7 +440,7 @@ static void etb_update_buffer(struct coresight_device *csdev,
u32 mask = ~(ETB_FRAME_SIZE_WORDS - 1);
/* The new read pointer must be frame size aligned */
- to_read -= handle->size & mask;
+ to_read = handle->size & mask;
/*
* Move the RAM read pointer up, keeping in mind that
* everything is in frame size units.