@@ -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;
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@rock-chips.com> --- drivers/mmc/card/mmc_test.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)