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forked from pool/xen
xen/qemu-dm-segfault.patch
Charles Arnold 047483513a - Update to Xen Version 4.6.0
xen-4.6.0-testing-src.tar.bz2
  mini-os.tar.bz2
  blktap2-no-uninit.patch
  stubdom-have-iovec.patch
- Renamed
  xsa149.patch to CVE-2015-7969-xsa149.patch
- Dropped patches now contained in tarball or unnecessary
  xen-4.5.2-testing-src.tar.bz2
  54c2553c-grant-table-use-uint16_t-consistently-for-offset-and-length.patch
  54ca33bc-grant-table-refactor-grant-copy-to-reduce-duplicate-code.patch
  54ca340e-grant-table-defer-releasing-pages-acquired-in-a-grant-copy.patch
  54f4985f-libxl-fix-libvirtd-double-free.patch
  55103616-vm-assist-prepare-for-discontiguous-used-bit-numbers.patch
  551ac326-xentop-add-support-for-qdisk.patch
  552d0fd2-x86-hvm-don-t-include-asm-spinlock-h.patch
  552d0fe8-x86-mtrr-include-asm-atomic.h.patch
  552d293b-x86-vMSI-X-honor-all-mask-requests.patch
  552d2966-x86-vMSI-X-add-valid-bits-for-read-acceleration.patch
  5537a4d8-libxl-use-DEBUG-log-level-instead-of-INFO.patch
  5548e903-domctl-don-t-truncate-XEN_DOMCTL_max_mem-requests.patch
  5548e95d-x86-allow-to-suppress-M2P-user-mode-exposure.patch
  554c7aee-x86-provide-arch_fetch_and_add.patch
  554c7b00-arm-provide-arch_fetch_and_add.patch
  554cc211-libxl-add-qxl.patch 55534b0a-x86-provide-add_sized.patch
  55534b25-arm-provide-add_sized.patch
  5555a4f8-use-ticket-locks-for-spin-locks.patch
  5555a5b9-x86-arm-remove-asm-spinlock-h.patch
  5555a8ec-introduce-non-contiguous-allocation.patch
  556d973f-unmodified-drivers-tolerate-IRQF_DISABLED-being-undefined.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=387
2015-11-11 17:04:52 +00:00

86 lines
2.6 KiB
Diff

Index: xen-4.2.0-testing/tools/qemu-xen-traditional-dir-remote/hw/ide.c
===================================================================
--- xen-4.2.0-testing.orig/tools/qemu-xen-traditional-dir-remote/hw/ide.c
+++ xen-4.2.0-testing/tools/qemu-xen-traditional-dir-remote/hw/ide.c
@@ -935,8 +935,9 @@ static inline void ide_dma_submit_check(
static inline void ide_set_irq(IDEState *s)
{
- BMDMAState *bm = s->bmdma;
- if (!s->bs) return; /* ouch! (see ide_flush_cb) */
+ BMDMAState *bm;
+ if (!s || !s->bs) return; /* ouch! (see ide_flush_cb) */
+ bm = s->bmdma;
if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
if (bm) {
bm->status |= BM_STATUS_INT;
@@ -1224,14 +1225,14 @@ static void ide_read_dma_cb(void *opaque
int n;
int64_t sector_num;
+ if (!s || !s->bs) return; /* ouch! (see ide_flush_cb) */
+
if (ret < 0) {
dma_buf_commit(s, 1);
ide_dma_error(s);
return;
}
- if (!s->bs) return; /* ouch! (see ide_flush_cb) */
-
n = s->io_buffer_size >> 9;
sector_num = ide_get_sector(s);
if (n > 0) {
@@ -1335,6 +1336,8 @@ static void ide_write_flush_cb(void *opa
BMDMAState *bm = opaque;
IDEState *s = bm->ide_if;
+ if (!s) return; /* yikes */
+
if (ret != 0) {
ide_dma_error(s);
return;
@@ -1366,13 +1369,13 @@ static void ide_write_dma_cb(void *opaqu
int n;
int64_t sector_num;
+ if (!s || !s->bs) return; /* ouch! (see ide_flush_cb) */
+
if (ret < 0) {
if (ide_handle_write_error(s, -ret, BM_STATUS_DMA_RETRY))
return;
}
- if (!s->bs) return; /* ouch! (see ide_flush_cb) */
-
n = s->io_buffer_size >> 9;
sector_num = ide_get_sector(s);
if (n > 0) {
@@ -1429,7 +1432,7 @@ static void ide_flush_cb(void *opaque, i
{
IDEState *s = opaque;
- if (!s->bs) return; /* ouch! (see below) */
+ if (!s || !s->bs) return; /* ouch! (see below) */
if (ret) {
/* We are completely doomed. The IDE spec does not permit us
@@ -1686,7 +1689,7 @@ static void ide_atapi_cmd_read_dma_cb(vo
IDEState *s = bm->ide_if;
int data_offset, n;
- if (!s->bs) return; /* ouch! (see ide_flush_cb) */
+ if (!s || !s->bs) return; /* ouch! (see ide_flush_cb) */
if (ret < 0) {
ide_atapi_io_error(s, ret);
@@ -2365,7 +2368,7 @@ static void cdrom_change_cb(void *opaque
IDEState *s = opaque;
uint64_t nb_sectors;
- if (!s->bs) return; /* ouch! (see ide_flush_cb) */
+ if (!s || !s->bs) return; /* ouch! (see ide_flush_cb) */
bdrv_get_geometry(s->bs, &nb_sectors);
s->nb_sectors = nb_sectors;