It is unnecessary to panic the kernel when testing mmc. Instead, cast a warning for folkz to debug and return the error code to the caller to indicate the failure of this test should be enough. Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> --- drivers/mmc/card/mmc_test.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index 5a8dc5a..db1a7ac 100644 --- a/drivers/mmc/card/mmc_test.c +++ b/drivers/mmc/card/mmc_test.c @@ -214,7 +214,8 @@ static void mmc_test_prepare_mrq(struct mmc_test_card *test, struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, unsigned blocks, unsigned blksz, int write) { - BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); + if (WARN_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop)) + return; if (blocks > 1) { mrq->cmd->opcode = write ? @@ -694,7 +695,8 @@ static int mmc_test_cleanup(struct mmc_test_card *test) static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, struct mmc_request *mrq, int write) { - BUG_ON(!mrq || !mrq->cmd || !mrq->data); + if (WARN_ON(!mrq || !mrq->cmd || !mrq->data)) + return; if (mrq->data->blocks > 1) { mrq->cmd->opcode = write ? @@ -714,7 +716,8 @@ static int mmc_test_check_result(struct mmc_test_card *test, { int ret; - BUG_ON(!mrq || !mrq->cmd || !mrq->data); + if (WARN_ON(!mrq || !mrq->cmd || !mrq->data)) + return -EINVAL; ret = 0; @@ -755,7 +758,8 @@ static int mmc_test_check_broken_result(struct mmc_test_card *test, { int ret; - BUG_ON(!mrq || !mrq->cmd || !mrq->data); + if (WARN_ON(!mrq || !mrq->cmd || !mrq->data)) + return -EINVAL; ret = 0; -- 2.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html