[PATCH 7/7] erofs-utils: lib: silence `INTEGER_OVERFLOW`

[Gao Xiang]

Coverity-id: 647247
Signed-off-by: Gao Xiang <hsiang...@linux.alibaba.com>
---
 lib/inode.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/inode.c b/lib/inode.c
index 9f1553e8db2b..267694f83fdf 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -670,10 +670,13 @@ static int erofs_write_unencoded_data(struct erofs_inode 
*inode,
        if (bh) {
                bmgr = (struct erofs_bufmgr *)bh->block->buffers.fsprivate;
                pos = erofs_btell(bh, false);
+               if (__erofs_unlikely(pos == EROFS_NULL_ADDR))
+                       return -EFAULT;
+
                do {
                        len = min_t(u64, remaining,
                                    round_down(UINT_MAX, 1U << sbi->blkszbits));
-                       ret = erofs_io_xcopy(bmgr->vf, pos, vf, len, noseek);
+                       ret = erofs_io_xcopy(bmgr->vf, (off_t)pos, vf, len, 
noseek);
                        if (ret)
                                return ret;
                        pos += len;
-- 
2.43.5