cmd/sbi: error message for failure to get spec version

If calling 'Get SBI specification version' fails, write an error message
and return CMD_RET_FAILURE.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Rick Chen <rick@andestech.com>

diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c
index 9bbe7d4..24955d2 100644 (file)
--- a/cmd/riscv/sbi.c
+++ b/cmd/riscv/sbi.c
@@ -56,8 +56,11 @@ static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,
        long mvendorid, marchid, mimpid;
 
        ret = sbi_get_spec_version();
-       if (ret >= 0)
-               printf("SBI %ld.%ld", ret >> 24, ret & 0xffffff);
+       if (ret < 0) {
+               printf("No SBI 0.2+\n");
+               return CMD_RET_FAILURE;
+       }
+       printf("SBI %ld.%ld", ret >> 24, ret & 0xffffff);
        impl_id = sbi_get_impl_id();
        if (impl_id >= 0) {
                for (i = 0; i < ARRAY_SIZE(implementations); ++i) {