gadget/function/f_mass_storage.c

51  *	release		Information used as a reply to INQUIRY
648 		return -EIO;		/* No default reply */
731 	return -EIO;		/* No default reply */
920 	return -EIO;		/* No default reply */
984 		return -EIO;		/* No default reply */
1742 	 * We can't reply at all until we know the correct data direction
1866 	int			reply = -EINVAL;
1887 		reply = check_command(common, 6, DATA_DIR_TO_HOST,
1890 		if (reply == 0)
1891 			reply = do_inquiry(common, bh);
1896 		reply = check_command(common, 6, DATA_DIR_FROM_HOST,
1899 		if (reply == 0)
1900 			reply = do_mode_select(common, bh);
1906 		reply = check_command(common, 10, DATA_DIR_FROM_HOST,
1909 		if (reply == 0)
1910 			reply = do_mode_select(common, bh);
1915 		reply = check_command(common, 6, DATA_DIR_TO_HOST,
1918 		if (reply == 0)
1919 			reply = do_mode_sense(common, bh);
1925 		reply = check_command(common, 10, DATA_DIR_TO_HOST,
1928 		if (reply == 0)
1929 			reply = do_mode_sense(common, bh);
1934 		reply = check_command(common, 6, DATA_DIR_NONE,
1937 		if (reply == 0)
1938 			reply = do_prevent_allow(common);
1944 		reply = check_command_size_in_blocks(common, 6,
1948 		if (reply == 0)
1949 			reply = do_read(common);
1955 		reply = check_command_size_in_blocks(common, 10,
1959 		if (reply == 0)
1960 			reply = do_read(common);
1966 		reply = check_command_size_in_blocks(common, 12,
1970 		if (reply == 0)
1971 			reply = do_read(common);
1977 		reply = check_command_size_in_blocks(common, 16,
1981 		if (reply == 0)
1982 			reply = do_read(common);
1987 		reply = check_command(common, 10, DATA_DIR_TO_HOST,
1990 		if (reply == 0)
1991 			reply = do_read_capacity(common, bh);
1999 		reply = check_command(common, 10, DATA_DIR_TO_HOST,
2002 		if (reply == 0)
2003 			reply = do_read_header(common, bh);
2011 		reply = check_command(common, 10, DATA_DIR_TO_HOST,
2014 		if (reply == 0)
2015 			reply = do_read_toc(common, bh);
2021 		reply = check_command(common, 10, DATA_DIR_TO_HOST,
2024 		if (reply == 0)
2025 			reply = do_read_format_capacities(common, bh);
2030 		reply = check_command(common, 6, DATA_DIR_TO_HOST,
2033 		if (reply == 0)
2034 			reply = do_request_sense(common, bh);
2043 			reply = check_command(common, 16, DATA_DIR_TO_HOST,
2047 			if (reply == 0)
2048 				reply = do_read_capacity_16(common, bh);
2058 		reply = check_command(common, 6, DATA_DIR_NONE,
2061 		if (reply == 0)
2062 			reply = do_start_stop(common);
2067 		reply = check_command(common, 10, DATA_DIR_NONE,
2070 		if (reply == 0)
2071 			reply = do_synchronize_cache(common);
2076 		reply = check_command(common, 6, DATA_DIR_NONE,
2087 		reply = check_command(common, 10, DATA_DIR_NONE,
2090 		if (reply == 0)
2091 			reply = do_verify(common);
2097 		reply = check_command_size_in_blocks(common, 6,
2101 		if (reply == 0)
2102 			reply = do_write(common);
2108 		reply = check_command_size_in_blocks(common, 10,
2112 		if (reply == 0)
2113 			reply = do_write(common);
2119 		reply = check_command_size_in_blocks(common, 12,
2123 		if (reply == 0)
2124 			reply = do_write(common);
2130 		reply = check_command_size_in_blocks(common, 16,
2134 		if (reply == 0)
2135 			reply = do_write(common);
2153 		reply = check_command(common, common->cmnd_size,
2155 		if (reply == 0) {
2157 			reply = -EINVAL;
2163 	if (reply == -EINTR || signal_pending(current))
2166 	/* Set up the single reply buffer for finish_reply() */
2167 	if (reply == -EINVAL)
2168 		reply = 0;		/* Error reply length */
2169 	if (reply >= 0 && common->data_dir == DATA_DIR_TO_HOST) {
2170 		reply = min((u32)reply, common->data_size_from_cmnd);
2171 		bh->inreq->length = reply;
2173 		common->residue -= reply;