diff options
Diffstat (limited to 'drivers/soc/qcom/llcc-slice.c')
| -rw-r--r-- | drivers/soc/qcom/llcc-slice.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/soc/qcom/llcc-slice.c b/drivers/soc/qcom/llcc-slice.c index 192ca761b2cb..80667f7be52c 100644 --- a/drivers/soc/qcom/llcc-slice.c +++ b/drivers/soc/qcom/llcc-slice.c @@ -95,7 +95,8 @@ EXPORT_SYMBOL_GPL(llcc_slice_getd); */ void llcc_slice_putd(struct llcc_slice_desc *desc) { - kfree(desc); + if (!IS_ERR_OR_NULL(desc)) + kfree(desc); } EXPORT_SYMBOL_GPL(llcc_slice_putd); @@ -142,6 +143,9 @@ int llcc_slice_activate(struct llcc_slice_desc *desc) int ret; u32 act_ctrl_val; + if (IS_ERR_OR_NULL(desc)) + return -EINVAL; + mutex_lock(&drv_data->lock); if (test_bit(desc->slice_id, drv_data->bitmap)) { mutex_unlock(&drv_data->lock); @@ -176,6 +180,9 @@ int llcc_slice_deactivate(struct llcc_slice_desc *desc) u32 act_ctrl_val; int ret; + if (IS_ERR_OR_NULL(desc)) + return -EINVAL; + mutex_lock(&drv_data->lock); if (!test_bit(desc->slice_id, drv_data->bitmap)) { mutex_unlock(&drv_data->lock); @@ -203,6 +210,9 @@ EXPORT_SYMBOL_GPL(llcc_slice_deactivate); */ int llcc_get_slice_id(struct llcc_slice_desc *desc) { + if (IS_ERR_OR_NULL(desc)) + return -EINVAL; + return desc->slice_id; } EXPORT_SYMBOL_GPL(llcc_get_slice_id); @@ -213,6 +223,9 @@ EXPORT_SYMBOL_GPL(llcc_get_slice_id); */ size_t llcc_get_slice_size(struct llcc_slice_desc *desc) { + if (IS_ERR_OR_NULL(desc)) + return 0; + return desc->slice_size; } EXPORT_SYMBOL_GPL(llcc_get_slice_size); @@ -360,5 +373,5 @@ int qcom_llcc_probe(struct platform_device *pdev, return ret; } EXPORT_SYMBOL_GPL(qcom_llcc_probe); - MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Qualcomm Last Level Cache Controller"); |