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-rw-r--r--drivers/net/igb/igb_main.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index ab7c5e97ed02..f588e49c65f1 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3647,14 +3647,12 @@ dma_error:
buffer_info->length = 0;
buffer_info->next_to_watch = 0;
buffer_info->mapped_as_page = false;
- count--;
/* clear timestamp and dma mappings for remaining portion of packet */
- while (count >= 0) {
- count--;
+ while (count--) {
+ if (i == 0)
+ i = tx_ring->count;
i--;
- if (i < 0)
- i += tx_ring->count;
buffer_info = &tx_ring->buffer_info[i];
igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
}