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-rw-r--r--mm/iov_iter.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/iov_iter.c b/mm/iov_iter.c
index 081e3273085b..fcdaaab438b6 100644
--- a/mm/iov_iter.c
+++ b/mm/iov_iter.c
@@ -74,6 +74,10 @@ size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes,
74 } 74 }
75 kunmap(page); 75 kunmap(page);
76done: 76done:
77 if (skip == iov->iov_len) {
78 iov++;
79 skip = 0;
80 }
77 i->count -= wanted - bytes; 81 i->count -= wanted - bytes;
78 i->nr_segs -= iov - i->iov; 82 i->nr_segs -= iov - i->iov;
79 i->iov = iov; 83 i->iov = iov;
@@ -152,6 +156,10 @@ size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes,
152 } 156 }
153 kunmap(page); 157 kunmap(page);
154done: 158done:
159 if (skip == iov->iov_len) {
160 iov++;
161 skip = 0;
162 }
155 i->count -= wanted - bytes; 163 i->count -= wanted - bytes;
156 i->nr_segs -= iov - i->iov; 164 i->nr_segs -= iov - i->iov;
157 i->iov = iov; 165 i->iov = iov;