iomap: iomap_bmap should check iomap_apply return value (2b91b28e) · Commits · 戴 / test

Coverity caught this fairly minor bug, but we should check the return value of iomap_apply regardless. Coverity-id: 1437065 Signed-off-by:

fs/iomap/fiemap.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -133,12 +133,16 @@ iomap_bmap(struct address_space *mapping, sector_t bno,
		struct inode *inode = mapping->host;
		loff_t pos = bno << inode->i_blkbits;
		unsigned blocksize = i_blocksize(inode);
		int ret;

		if (filemap_write_and_wait(mapping))
		return 0;

		bno = 0;
		iomap_apply(inode, pos, blocksize, 0, ops, &bno, iomap_bmap_actor);
		ret = iomap_apply(inode, pos, blocksize, 0, ops, &bno,
		iomap_bmap_actor);
		if (ret)
		return 0;
		return bno;
		}
		EXPORT_SYMBOL_GPL(iomap_bmap);