From 16f408dc6b1c87f5e3a767626df09c1399c6bf70 Mon Sep 17 00:00:00 2001
From: Sagi Grimberg <sagig@mellanox.com>
Date: Wed, 13 Aug 2014 14:49:31 +0300
Subject: [PATCH] block: Fix BUG_ON when pi errors occur

When getting a pi error we get to bio_integrity_end_io with
bi_remaining already decremented to 0 where we will eventually
need to call bio_endio with restored original bio completion handler.
Calling bio_endio invokes a BUG_ON(). We should call bio_endio_nodec
instead, like what is done in bio_integrity_verify_fn.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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