remove dead code in bdrv_check_request (Christoph Hellwig)
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
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41db460791
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10
block.c
10
block.c
@ -569,15 +569,7 @@ static int bdrv_check_byte_request(BlockDriverState *bs, int64_t offset,
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static int bdrv_check_request(BlockDriverState *bs, int64_t sector_num,
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static int bdrv_check_request(BlockDriverState *bs, int64_t sector_num,
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int nb_sectors)
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int nb_sectors)
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{
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{
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int64_t offset;
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return bdrv_check_byte_request(bs, sector_num * 512, nb_sectors * 512);
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/* Deal with byte accesses */
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if (sector_num < 0)
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offset = -sector_num;
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else
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offset = sector_num * 512;
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return bdrv_check_byte_request(bs, offset, nb_sectors * 512);
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}
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}
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/* return < 0 if error. See bdrv_write() for the return codes */
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/* return < 0 if error. See bdrv_write() for the return codes */
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