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Diffstat (limited to 'common/cmd_mmc.c')
-rw-r--r--common/cmd_mmc.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index da5fef9..e118252 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -314,11 +314,18 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
} else if (strcmp(argv[1], "bootpart") == 0) {
int dev;
- dev = simple_strtoul(argv[2], NULL, 10);
+ struct *mmc;
+ u32 bootsize, rpmbsize;
- u32 bootsize = simple_strtoul(argv[3], NULL, 10);
- u32 rpmbsize = simple_strtoul(argv[4], NULL, 10);
- struct mmc *mmc = find_mmc_device(dev);
+ if (argc == 5) {
+ dev = simple_strtoul(argv[2], NULL, 10);
+ bootsize = simple_strtoul(argv[3], NULL, 10);
+ rpmbsize = simple_strtoul(argv[4], NULL, 10);
+ } else {
+ return CMD_RET_USAGE;
+ }
+
+ mmc = find_mmc_device(dev);
if (!mmc) {
printf("no mmc device at slot %x\n", dev);
return 1;