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fix a braino in ITER_PIPE iov_iter_revert()

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Fixes: 27c0e3748e
Tested-by: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-04-29 16:42:30 -04:00
parent 1741937d47
commit 4fa55cefee
1 changed files with 1 additions and 1 deletions
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2
lib/iov_iter.c
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@ -798,7 +798,7 @@ void iov_iter_revert(struct iov_iter *i, size_t unroll)
while (1) { while (1) {
size_t n = off - pipe->bufs[idx].offset; size_t n = off - pipe->bufs[idx].offset;
if (unroll < n) { if (unroll < n) {
off -= (n - unroll); off -= unroll;
break; break;
} }
unroll -= n; unroll -= n;