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-rw-r--r--drivers/block/umem.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 99806f9ee4c..5f5095afb06 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -484,7 +484,8 @@ static void process_page(unsigned long data)
page->idx++;
if (page->idx >= bio->bi_vcnt) {
page->bio = bio->bi_next;
- page->idx = page->bio->bi_idx;
+ if (page->bio)
+ page->idx = page->bio->bi_idx;
}
pci_unmap_page(card->dev, desc->data_dma_handle,