diff options
Diffstat (limited to 'hw/display')
| -rw-r--r-- | hw/display/qxl-render.c | 11 | ||||
| -rw-r--r-- | hw/display/sm501.c | 1 |
2 files changed, 11 insertions, 1 deletions
diff --git a/hw/display/qxl-render.c b/hw/display/qxl-render.c index eda6d3d..c6a9ac1 100644 --- a/hw/display/qxl-render.c +++ b/hw/display/qxl-render.c @@ -222,6 +222,7 @@ static void qxl_unpack_chunks(void *dest, size_t size, PCIQXLDevice *qxl, uint32_t max_chunks = 32; size_t offset = 0; size_t bytes; + QXLPHYSICAL next_chunk_phys = 0; for (;;) { bytes = MIN(size - offset, chunk->data_size); @@ -230,7 +231,15 @@ static void qxl_unpack_chunks(void *dest, size_t size, PCIQXLDevice *qxl, if (offset == size) { return; } - chunk = qxl_phys2virt(qxl, chunk->next_chunk, group_id, + next_chunk_phys = chunk->next_chunk; + /* fist time, only get the next chunk's data size */ + chunk = qxl_phys2virt(qxl, next_chunk_phys, group_id, + sizeof(QXLDataChunk)); + if (!chunk) { + return; + } + /* second time, check data size and get data */ + chunk = qxl_phys2virt(qxl, next_chunk_phys, group_id, sizeof(QXLDataChunk) + chunk->data_size); if (!chunk) { return; diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 6d2f186..bc091b3 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -26,6 +26,7 @@ #include "qemu/osdep.h" #include "qemu/units.h" #include "qapi/error.h" +#include "qemu/error-report.h" #include "qemu/log.h" #include "qemu/module.h" #include "hw/usb/hcd-ohci.h" |