commit 8c9a694dc046fab9dff249555860460b92990b52
author Linus Torvalds <torvalds@linux-foundation.org> Sat Apr 29 14:00:42 2017 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Sat Apr 29 14:00:42 2017 -0700
tree c29f73816ea252fbfffa52a2a81981725d1e9f26
parent 0060e79a1f5231940ef38e6621745c0c808065cb
parent 4fa55cefee1bbecadb4c9f47d40a92f65dc44351

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull iov iter fix from Al Viro.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fix a braino in ITER_PIPE iov_iter_revert()

lib/iov_iter.c

diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 60abc44..cc001a5 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -798,7 +798,7 @@
 		while (1) {
 			size_t n = off - pipe->bufs[idx].offset;
 			if (unroll < n) {
-				off -= (n - unroll);
+				off -= unroll;
 				break;
 			}
 			unroll -= n;