Hi Pali, On Mon, 20 Mar 2023 at 05:34, Pali Rohár <[email protected]> wrote: > > Numeric return values may cause strange errors line: > exit not allowed from main input shell. > > Signed-off-by: Pali Rohár <[email protected]> > --- > cmd/mmc.c | 18 +++++++++++++----- > 1 file changed, 13 insertions(+), 5 deletions(-) > > diff --git a/cmd/mmc.c b/cmd/mmc.c > index c79d9407986d..0b8fc903e1f6 100644 > --- a/cmd/mmc.c > +++ b/cmd/mmc.c > @@ -175,7 +175,7 @@ static int do_mmcinfo(struct cmd_tbl *cmdtp, int flag, > int argc, > curr_device = 0; > else { > puts("No MMC device available\n"); > - return 1; > + return CMD_RET_FAILURE; > } > } > > @@ -927,7 +927,7 @@ static int mmc_partconf_print(struct mmc *mmc, const char > *varname) > static int do_mmc_partconf(struct cmd_tbl *cmdtp, int flag, > int argc, char *const argv[]) > { > - int dev; > + int r, dev; > struct mmc *mmc; > u8 ack, part_num, access; > > @@ -953,13 +953,17 @@ static int do_mmc_partconf(struct cmd_tbl *cmdtp, int > flag, > access = dectoul(argv[4], NULL); > > /* acknowledge to be sent during boot operation */ > - return mmc_set_part_conf(mmc, ack, part_num, access); > + r = mmc_set_part_conf(mmc, ack, part_num, access); > + if (r != 0) > + return CMD_RET_FAILURE; > + > + return CMD_RET_SUCCESS; > } > > static int do_mmc_rst_func(struct cmd_tbl *cmdtp, int flag, > int argc, char *const argv[]) > { > - int dev; > + int r, dev;
Please use 'ret' as that is what we normally do with driver model. > struct mmc *mmc; > u8 enable; > > @@ -988,7 +992,11 @@ static int do_mmc_rst_func(struct cmd_tbl *cmdtp, int > flag, > return CMD_RET_FAILURE; > } > > - return mmc_set_rst_n_function(mmc, enable); > + r = mmc_set_rst_n_function(mmc, enable); > + if (r != 0) if (ret) > + return CMD_RET_FAILURE; > + > + return CMD_RET_SUCCESS; 'return 0' is fine here as less verbose. Success is 0 in U-Boot. > } > #endif > static int do_mmc_setdsr(struct cmd_tbl *cmdtp, int flag, > -- > 2.20.1 > Regards, Simon

