[PATCH v1 2/7] sf protect: warn about failed (un)lock operation

it is not guaranteed that there is a human readable message when the lock or unlock operation failed. make sure there is a message emitted by the "sf protect" implementation if the subcommand failed.

Signed-off-by: Bernhard Kirchen bernhard.kirchen@mbconnectline.com ---

cmd/sf.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/cmd/sf.c b/cmd/sf.c index a991ae0d03..ecd2918cbc 100644 --- a/cmd/sf.c +++ b/cmd/sf.c @@ -378,7 +378,12 @@ static int do_spi_protect(int argc, char *const argv[])

ret = spi_flash_protect(flash, start, len, prot);

- return ret == 0 ? 0 : 1; + if (ret != 0) { + printf("ERROR: %slocking operation failed (%d)\n", (prot ? "" : "un"), ret); + return 1; + } + + return 0; }

#ifdef CONFIG_CMD_SF_TEST