diff options
Diffstat (limited to 'drivers/staging/sep/sep_main.c')
-rw-r--r-- | drivers/staging/sep/sep_main.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/staging/sep/sep_main.c b/drivers/staging/sep/sep_main.c index 30e8d25..6a98a20 100644 --- a/drivers/staging/sep/sep_main.c +++ b/drivers/staging/sep/sep_main.c @@ -1986,7 +1986,7 @@ static int sep_prepare_input_dma_table(struct sep_device *sep, dma_ctx, sep_lli_entries); if (error) - return error; + goto end_function_error; lli_table_alloc_addr = *dmatables_region; } @@ -2276,7 +2276,7 @@ static int sep_construct_dma_tables_from_lli( table_data_size); /* If info entry is null - this is the first table built */ - if (info_in_entry_ptr == NULL) { + if (info_in_entry_ptr == NULL || info_out_entry_ptr == NULL) { /* Set the output parameters to physical addresses */ *lli_table_in_ptr = sep_shared_area_virt_to_bus(sep, dma_in_lli_table_ptr); @@ -2880,6 +2880,8 @@ static int sep_free_dma_tables_and_dcb(struct sep_device *sep, bool isapplet, dev_dbg(&sep->pdev->dev, "[PID%d] sep_free_dma_tables_and_dcb\n", current->pid); + if (!dma_ctx || !*dma_ctx) /* nothing to be done here*/ + return 0; if (((*dma_ctx)->secure_dma == false) && (isapplet == true)) { dev_dbg(&sep->pdev->dev, "[PID%d] handling applet\n", @@ -2895,8 +2897,7 @@ static int sep_free_dma_tables_and_dcb(struct sep_device *sep, bool isapplet, * Go over each DCB and see if * tail pointer must be updated */ - for (i = 0; dma_ctx && *dma_ctx && - i < (*dma_ctx)->nr_dcb_creat; i++, dcb_table_ptr++) { + for (i = 0; i < (*dma_ctx)->nr_dcb_creat; i++, dcb_table_ptr++) { if (dcb_table_ptr->out_vr_tail_pt) { pt_hold = (unsigned long)dcb_table_ptr-> out_vr_tail_pt; |