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remove dead code in bdrv_check_request (Christoph Hellwig)

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Remove code dealing with negative sector numbers for byte access in
bdrv_check_request as sector numbers can't ever be negative.

Previously we supported negative sector counts for byte access, but
never sector numbers.


Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6942 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-03-29 01:31:48 +00:00
parent 41db460791
commit 999dec57f6
1 changed files with 1 additions and 9 deletions
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10
block.c
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@ -569,15 +569,7 @@ static int bdrv_check_byte_request(BlockDriverState *bs, int64_t offset,
static int bdrv_check_request(BlockDriverState *bs, int64_t sector_num,
int nb_sectors)
{
int64_t offset;
/* Deal with byte accesses */
if (sector_num < 0)
offset = -sector_num;
else
offset = sector_num * 512;
return bdrv_check_byte_request(bs, offset, nb_sectors * 512);
return bdrv_check_byte_request(bs, sector_num * 512, nb_sectors * 512);
}
/* return < 0 if error. See bdrv_write() for the return codes */