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block: vhdx - minor comments and typo correction.

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Just a couple of minor comments to help note where allocated
buffers are freed, and a typo fix.

Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Jeff Cody 2013-10-30 10:44:38 -04:00 committed by Stefan Hajnoczi
parent 0173e7bbf3
commit 6e9d290bf6
2 changed files with 7 additions and 5 deletions
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6
block/vhdx.c
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@ -6,9 +6,9 @@
* Authors:
* Jeff Cody <jcody@redhat.com>
*
* This is based on the "VHDX Format Specification v0.95", published 4/12/2012
* This is based on the "VHDX Format Specification v1.00", published 8/25/2012
* by Microsoft:
* https://www.microsoft.com/en-us/download/details.aspx?id=29681
* https://www.microsoft.com/en-us/download/details.aspx?id=34750
*
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
* See the COPYING.LIB file in the top-level directory.
@ -264,6 +264,7 @@ static int vhdx_parse_header(BlockDriverState *bs, BDRVVHDXState *s)
uint64_t h2_seq = 0;
uint8_t *buffer;
/* header1 & header2 are freed in vhdx_close() */
header1 = qemu_blockalign(bs, sizeof(VHDXHeader));
header2 = qemu_blockalign(bs, sizeof(VHDXHeader));
@ -790,6 +791,7 @@ static int vhdx_open(BlockDriverState *bs, QDict *options, int flags,
goto fail;
}
/* s->bat is freed in vhdx_close() */
s->bat = qemu_blockalign(bs, s->bat_rt.length);
ret = bdrv_pread(bs->file, s->bat_offset, s->bat, s->bat_rt.length);

6
block/vhdx.h
View file

@ -6,9 +6,9 @@
* Authors:
* Jeff Cody <jcody@redhat.com>
*
* This is based on the "VHDX Format Specification v0.95", published 4/12/2012
* This is based on the "VHDX Format Specification v1.00", published 8/25/2012
* by Microsoft:
* https://www.microsoft.com/en-us/download/details.aspx?id=29681
* https://www.microsoft.com/en-us/download/details.aspx?id=34750
*
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
* See the COPYING.LIB file in the top-level directory.
@ -116,7 +116,7 @@ typedef struct QEMU_PACKED VHDXHeader {
valid. */
uint16_t log_version; /* version of the log format. Mustn't be
zero, unless log_guid is also zero */
uint16_t version; /* version of th evhdx file. Currently,
uint16_t version; /* version of the vhdx file. Currently,
only supported version is "1" */
uint32_t log_length; /* length of the log. Must be multiple
of 1MB */