pci: Use a common return in command processing

Adjust the commands to return from the same place.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/common/cmd_pci.c b/common/cmd_pci.c
index 2eafd5cc98e14db24c221e5fb0c2b6eaceb2e3ec..f3148a3da04479cd216c70f203066dbfe3456b7b 100644 (file)
--- a/common/cmd_pci.c
+++ b/common/cmd_pci.c
@@ -410,6 +410,7 @@ static int do_pci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        ulong addr = 0, value = 0, size = 0;
        pci_dev_t bdf = 0;
        char cmd = 's';
+       int ret = 0;
 
        if (argc > 1)
                cmd = argv[1][0];
@@ -453,7 +454,7 @@ static int do_pci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        switch (argv[1][0]) {
        case 'h':               /* header */
                pci_header_show(bdf);
-               return 0;
+               break;
        case 'd':               /* display */
                return pci_cfg_display(bdf, addr, size, value);
 #ifdef CONFIG_CMD_PCI_ENUM
@@ -463,23 +464,29 @@ static int do_pci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 # else
                pci_init();
 # endif
-               return 0;
+               break;
 #endif
        case 'n':               /* next */
                if (argc < 4)
                        goto usage;
-               return pci_cfg_modify(bdf, addr, size, value, 0);
+               ret = pci_cfg_modify(bdf, addr, size, value, 0);
+               break;
        case 'm':               /* modify */
                if (argc < 4)
                        goto usage;
-               return pci_cfg_modify(bdf, addr, size, value, 1);
+               ret = pci_cfg_modify(bdf, addr, size, value, 1);
+               break;
        case 'w':               /* write */
                if (argc < 5)
                        goto usage;
-               return pci_cfg_write(bdf, addr, size, value);
+               ret = pci_cfg_write(bdf, addr, size, value);
+               break;
+       default:
+               ret = CMD_RET_USAGE;
+               break;
        }
 
-       return 1;
+       return ret;
  usage:
        return CMD_RET_USAGE;
 }