diff options
| author | Shawn Lin <shawn.lin@rock-chips.com> | 2016-11-02 08:26:57 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-12-05 10:31:13 +0100 |
| commit | f28ef5617254a946c1a8576dc3f243347b143794 (patch) | |
| tree | 09c7191a88336c429ff2aa63954bfcac113f5cd8 /drivers/mmc | |
| parent | mmc: queue: remove BUG_ON for bounce_sg (diff) | |
| download | linux-f28ef5617254a946c1a8576dc3f243347b143794.tar.xz linux-f28ef5617254a946c1a8576dc3f243347b143794.zip | |
mmc: mmc_test: remove BUG_ONs and deploy error handling
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>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/card/mmc_test.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index 5ba6d77b9723..ec1d1c46eb90 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; @@ -768,7 +771,8 @@ 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; |