From cc5107c6d3db46ba213db974c630fc0fa1b89d68 Mon Sep 17 00:00:00 2001 From: "Suren A. Chilingaryan" Date: Fri, 20 Nov 2015 14:24:17 +0100 Subject: Configure number of DMA buffers in IPEDMA and improve checking and reporting inconsistent kmem buffers while re-using --- driver/kmem.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'driver/kmem.c') diff --git a/driver/kmem.c b/driver/kmem.c index 7539ae6..618b5bf 100644 --- a/driver/kmem.c +++ b/driver/kmem.c @@ -53,23 +53,27 @@ int pcidriver_kmem_alloc(pcidriver_privdata_t *privdata, kmem_handle_t *kmem_han } else { if (kmem_handle->type != kmem_entry->type) { mod_info("Invalid type of reusable kmem_entry, currently: %lu, but requested: %lu\n", kmem_entry->type, kmem_handle->type); + kmem_handle->type = kmem_entry->type; return -EINVAL; } if (((kmem_handle->type&PCILIB_KMEM_TYPE_MASK) == PCILIB_KMEM_TYPE_PAGE)&&(kmem_handle->size == 0)) { - kmem_handle->size = kmem_entry->size; + kmem_handle->size = kmem_entry->size; } else if (kmem_handle->size != kmem_entry->size) { mod_info("Invalid size of reusable kmem_entry, currently: %lu, but requested: %lu\n", kmem_entry->size, kmem_handle->size); + kmem_handle->size = kmem_entry->size; return -EINVAL; } - + if (kmem_handle->align != kmem_entry->align) { mod_info("Invalid alignment of reusable kmem_entry, currently: %lu, but requested: %lu\n", kmem_entry->align, kmem_handle->align); + kmem_handle->align = kmem_entry->align; return -EINVAL; } if (((kmem_entry->mode&KMEM_MODE_EXCLUSIVE)?1:0) != ((flags&KMEM_FLAG_EXCLUSIVE)?1:0)) { mod_info("Invalid mode of reusable kmem_entry\n"); + kmem_handle->flags = (kmem_entry->mode&KMEM_MODE_EXCLUSIVE)?KMEM_FLAG_EXCLUSIVE:0; return -EINVAL; } } -- cgit v1.2.3