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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-28 08:34:10 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-28 08:34:10 +0100
commit0edbf9e55295585bbe9df61b646ca5bf80a8e1eb (patch)
treed9b6869ff7a245343a9b030511d4bfd18b00f192 /lib/iov_iter.c
parenteacae5d2b940b39e7234036bf62869aff5ffe055 (diff)
parente5517c2a5a49ed5e99047008629f1cd60246ea0e (diff)
Merge 4.9-rc7 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/iov_iter.c')
-rw-r--r--lib/iov_iter.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index f0c7f1481bae..f2bd21b93dfc 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -683,10 +683,11 @@ static void pipe_advance(struct iov_iter *i, size_t size)
struct pipe_inode_info *pipe = i->pipe;
struct pipe_buffer *buf;
int idx = i->idx;
- size_t off = i->iov_offset;
+ size_t off = i->iov_offset, orig_sz;
if (unlikely(i->count < size))
size = i->count;
+ orig_sz = size;
if (size) {
if (off) /* make it relative to the beginning of buffer */
@@ -713,6 +714,7 @@ static void pipe_advance(struct iov_iter *i, size_t size)
pipe->nrbufs--;
}
}
+ i->count -= orig_sz;
}
void iov_iter_advance(struct iov_iter *i, size_t size)