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Block patches for 2.0.0-rc3

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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches for 2.0.0-rc3

# gpg: Signature made Fri 11 Apr 2014 13:37:34 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream:
  block-commit: speed is an optional parameter
  iscsi: Remember to set ret for iscsi_open in error case
  bochs: Fix catalog size check
  bochs: Fix memory leak in bochs_open() error path

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-04-11 14:07:24 +01:00
parent 80fc7b1755 5450466394
commit 21e2db7260
5 changed files with 29 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
block/bochs.c
View file

@ -148,16 +148,26 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
s->extent_blocks = 1 + (le32_to_cpu(bochs.extent) - 1) / 512;
s->extent_size = le32_to_cpu(bochs.extent);
if (s->extent_size == 0) {
error_setg(errp, "Extent size may not be zero");
return -EINVAL;
if (s->extent_size < BDRV_SECTOR_SIZE) {
/* bximage actually never creates extents smaller than 4k */
error_setg(errp, "Extent size must be at least 512");
ret = -EINVAL;
goto fail;
} else if (!is_power_of_2(s->extent_size)) {
error_setg(errp, "Extent size %" PRIu32 " is not a power of two",
s->extent_size);
ret = -EINVAL;
goto fail;
} else if (s->extent_size > 0x800000) {
error_setg(errp, "Extent size %" PRIu32 " is too large",
s->extent_size);
return -EINVAL;
ret = -EINVAL;
goto fail;
}
if (s->catalog_size < bs->total_sectors / s->extent_size) {
if (s->catalog_size < DIV_ROUND_UP(bs->total_sectors,
s->extent_size / BDRV_SECTOR_SIZE))
{
error_setg(errp, "Catalog size is too small for this disk size");
ret = -EINVAL;
goto fail;

1
block/iscsi.c
View file

@ -1233,6 +1233,7 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
iscsi_readcapacity_sync(iscsilun, &local_err);
if (local_err != NULL) {
error_propagate(errp, local_err);
ret = -EINVAL;
goto out;
}
bs->total_sectors = sector_lun2qemu(iscsilun->num_blocks, iscsilun);

4
blockdev.c
View file

@ -1876,6 +1876,10 @@ void qmp_block_commit(const char *device,
*/
BlockdevOnError on_error = BLOCKDEV_ON_ERROR_REPORT;
if (!has_speed) {
speed = 0;
}
/* drain all i/o before commits */
bdrv_drain_all();

6
tests/qemu-iotests/078
View file

@ -69,10 +69,14 @@ _use_sample_img empty.bochs.bz2
poke_file "$TEST_IMG" "$disk_size_offset" "\x00\xc0\x0f\x00\x00\x00\x00\x7f"
{ $QEMU_IO -c "read 2T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
_use_sample_img empty.bochs.bz2
poke_file "$TEST_IMG" "$catalog_size_offset" "\x10\x00\x00\x00"
{ $QEMU_IO -c "read 0xfbe00 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== Negative extent size =="
_use_sample_img empty.bochs.bz2
poke_file "$TEST_IMG" "$extent_size_offset" "\xff\xff\xff\xff"
poke_file "$TEST_IMG" "$extent_size_offset" "\x00\x00\x00\x80"
{ $QEMU_IO -c "read 768k 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
echo

6
tests/qemu-iotests/078.out
View file

@ -15,12 +15,14 @@ no file open, try 'help open'
== Too small catalog bitmap for image size ==
qemu-io: can't open device TEST_DIR/empty.bochs: Catalog size is too small for this disk size
no file open, try 'help open'
qemu-io: can't open device TEST_DIR/empty.bochs: Catalog size is too small for this disk size
no file open, try 'help open'
== Negative extent size ==
qemu-io: can't open device TEST_DIR/empty.bochs: Extent size 4294967295 is too large
qemu-io: can't open device TEST_DIR/empty.bochs: Extent size 2147483648 is too large
no file open, try 'help open'
== Zero extent size ==
qemu-io: can't open device TEST_DIR/empty.bochs: Extent size may not be zero
qemu-io: can't open device TEST_DIR/empty.bochs: Extent size must be at least 512
no file open, try 'help open'
*** done