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-rw-r--r--mm/filemap_xip.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 0c04615651b..427dfe3ce78 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -89,8 +89,8 @@ do_xip_mapping_read(struct address_space *mapping,
}
}
nr = nr - offset;
- if (nr > len)
- nr = len;
+ if (nr > len - copied)
+ nr = len - copied;
error = mapping->a_ops->get_xip_mem(mapping, index, 0,
&xip_mem, &xip_pfn);