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hw/block: Fix the return type

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When the function no success value to transmit, it usually make the
function return void. It has turned out not to be a success, because
it means that the extra local_err variable and error_propagate() will
be needed. It leads to cumbersome code, therefore, transmit success/
failure in the return value is worth.

So fix the return type of blkconf_apply_backend_options(),
blkconf_geometry() and virtio_blk_data_plane_create() to avoid it.

Cc: John Snow <jsnow@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>

Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: ac0edc1fc70c4457e5cec94405eb7d1f89f9c2c1.1511317952.git.maozy.fnst@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Mao Zhongyi 2017-11-22 11:08:44 +08:00 • committed by Stefan Hajnoczi
parent e01d6a415b
commit 9d3b155186
4 changed files with 19 additions and 14 deletions
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4
include/hw/block/block.h
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@ -72,11 +72,11 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf)
/* Configuration helpers */
void blkconf_serial(BlockConf *conf, char **serial);
void blkconf_geometry(BlockConf *conf, int *trans,
bool blkconf_geometry(BlockConf *conf, int *trans,
unsigned cyls_max, unsigned heads_max, unsigned secs_max,
Error **errp);
void blkconf_blocksizes(BlockConf *conf);
void blkconf_apply_backend_options(BlockConf *conf, bool readonly,
bool blkconf_apply_backend_options(BlockConf *conf, bool readonly,
bool resizable, Error **errp);
/* Hard disk geometry */