From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 May 2021 21:01:22 +0000 (-0400)
Subject: iov_iter_advance(): don't modify ->iov_offset for ITER_DISCARD
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=556351c1c09ad6511bc2eaa2c214992192f50410;p=linux.git

iov_iter_advance(): don't modify ->iov_offset for ITER_DISCARD

the field is not used for that flavour

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index bdcf1fbeb2dbb..e6c5834da32d8 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -172,8 +172,6 @@
 		} else if (iov_iter_is_xarray(i)) {		\
 			struct bio_vec v;			\
 			iterate_xarray(i, n, v, skip, (X))	\
-		} else if (iov_iter_is_discard(i)) {		\
-			skip += n;				\
 		}						\
 		i->count -= n;					\
 		i->iov_offset = skip;				\