There is no reason to check parameters in separate switch. Check them directly when they are read. Also there is no reason to check loadmk case separately because fpga_data address must be non zero too.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
cmd/fpga.c | 35 ++++++++--------------------------- 1 file changed, 8 insertions(+), 27 deletions(-)
diff --git a/cmd/fpga.c b/cmd/fpga.c index b03dd9dc0ace..0e5f4117c02e 100644 --- a/cmd/fpga.c +++ b/cmd/fpga.c @@ -83,7 +83,6 @@ int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) char *devstr = env_get("fpga"); char *datastr = env_get("fpgadata"); int rc = FPGA_FAIL; - int wrong_parms = 0; #if defined(CONFIG_FIT) const char *fit_uname = NULL; ulong fit_addr; @@ -160,7 +159,10 @@ int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) switch (argc) { case 5: /* fpga <op> <dev> <data> <datasize> */ data_size = simple_strtoul(argv[4], NULL, 16); - + if (!data_size) { + puts("Zero data_size\n"); + return CMD_RET_USAGE; + } case 4: /* fpga <op> <dev> <data> */ #if defined(CONFIG_FIT) if (fit_parse_subimage(argv[3], (ulong)fpga_data, @@ -177,7 +179,10 @@ int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) (ulong)fpga_data); } debug("%s: fpga_data = 0x%lx\n", __func__, (ulong)fpga_data); - + if (!fpga_data) { + puts("Zero fpga_data address\n"); + return CMD_RET_USAGE; + } case 3: /* fpga <op> <dev | data addr> */ dev = (int)simple_strtoul(argv[2], NULL, 16); debug("%s: device = %d\n", __func__, dev); @@ -190,30 +195,6 @@ int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
switch (op) { case FPGA_INFO: - break; - case FPGA_LOAD: - case FPGA_LOADP: - case FPGA_LOADB: - case FPGA_LOADBP: - case FPGA_DUMP: - if (!fpga_data || !data_size) - wrong_parms = 1; - break; -#if defined(CONFIG_CMD_FPGA_LOADMK) - case FPGA_LOADMK: - if (!fpga_data) - wrong_parms = 1; - break; -#endif - } - - if (wrong_parms) { - puts("Wrong parameters for FPGA request\n"); - return CMD_RET_USAGE; - } - - switch (op) { - case FPGA_INFO: rc = fpga_info(dev); break;