diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc/ppc440_uc.c | 5 | ||||
| -rw-r--r-- | hw/ppc/spapr_nvdimm.c | 18 |
2 files changed, 18 insertions, 5 deletions
diff --git a/hw/ppc/ppc440_uc.c b/hw/ppc/ppc440_uc.c index a1ecf6dd1c..11fdb88c22 100644 --- a/hw/ppc/ppc440_uc.c +++ b/hw/ppc/ppc440_uc.c @@ -904,14 +904,17 @@ static void dcr_write_dma(void *opaque, int dcrn, uint32_t val) int width, i, sidx, didx; uint8_t *rptr, *wptr; hwaddr rlen, wlen; + hwaddr xferlen; sidx = didx = 0; width = 1 << ((val & DMA0_CR_PW) >> 25); + xferlen = count * width; + wlen = rlen = xferlen; rptr = cpu_physical_memory_map(dma->ch[chnl].sa, &rlen, false); wptr = cpu_physical_memory_map(dma->ch[chnl].da, &wlen, true); - if (rptr && wptr) { + if (rptr && rlen == xferlen && wptr && wlen == xferlen) { if (!(val & DMA0_CR_DEC) && val & DMA0_CR_SAI && val & DMA0_CR_DAI) { /* optimise common case */ diff --git a/hw/ppc/spapr_nvdimm.c b/hw/ppc/spapr_nvdimm.c index c4c97da5de..04a64cada3 100644 --- a/hw/ppc/spapr_nvdimm.c +++ b/hw/ppc/spapr_nvdimm.c @@ -447,9 +447,15 @@ static int flush_worker_cb(void *opaque) { SpaprNVDIMMDeviceFlushState *state = opaque; SpaprDrc *drc = spapr_drc_by_index(state->drcidx); - PCDIMMDevice *dimm = PC_DIMM(drc->dev); - HostMemoryBackend *backend = MEMORY_BACKEND(dimm->hostmem); - int backend_fd = memory_region_get_fd(&backend->mr); + PCDIMMDevice *dimm; + HostMemoryBackend *backend; + int backend_fd; + + g_assert(drc != NULL); + + dimm = PC_DIMM(drc->dev); + backend = MEMORY_BACKEND(dimm->hostmem); + backend_fd = memory_region_get_fd(&backend->mr); if (object_property_get_bool(OBJECT(backend), "pmem", NULL)) { MemoryRegion *mr = host_memory_backend_get_memory(dimm->hostmem); @@ -475,7 +481,11 @@ static void spapr_nvdimm_flush_completion_cb(void *opaque, int hcall_ret) { SpaprNVDIMMDeviceFlushState *state = opaque; SpaprDrc *drc = spapr_drc_by_index(state->drcidx); - SpaprNVDIMMDevice *s_nvdimm = SPAPR_NVDIMM(drc->dev); + SpaprNVDIMMDevice *s_nvdimm; + + g_assert(drc != NULL); + + s_nvdimm = SPAPR_NVDIMM(drc->dev); state->hcall_ret = hcall_ret; QLIST_REMOVE(state, node); |