--- zzzz-none-000/linux-4.4.60/drivers/mmc/card/block.c 2017-04-08 07:53:53.000000000 +0000 +++ honeybee-1240e-714/linux-4.4.60/drivers/mmc/card/block.c 2019-07-03 09:21:34.000000000 +0000 @@ -485,6 +485,14 @@ cmd.arg = idata->ic.arg; cmd.flags = idata->ic.flags; + if (idata->ic.postsleep_max_us < idata->ic.postsleep_min_us) { + pr_err("%s: min value: %u must not be greater than max value: %u\n", + __func__, idata->ic.postsleep_min_us, + idata->ic.postsleep_max_us); + WARN_ON(1); + return -EPERM; + } + if (idata->buf_bytes) { data.sg = &sg; data.sg_len = 1;