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-rw-r--r--fs/read_write.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index d6e8e242a15f..2456da3f8a41 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1748,6 +1748,8 @@ int vfs_clone_file_prep(struct file *file_in, loff_t pos_in,
if (pos_in > isize)
return -EINVAL;
*len = isize - pos_in;
+ if (*len == 0)
+ return 0;
}
/* Check that we don't violate system file offset limits. */