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qdev: Constify local variable returned by blk_bs 

Inside qdev_prop_set_drive() the value returned by blk_bs() is passed
only as pointer to const to bdrv_get_node_name() and pointed values is
not modified in other places so this can be made const for code
safeness.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Message-Id: <20170310200550.13313-3-krzk@kernel.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Krzysztof Kozlowski 2017-03-10 22:05:50 +02:00 committed by Eduardo Habkost
parent 606fd0e206
commit be9721f400
1 changed files with 1 additions and 1 deletions
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2
hw/core/qdev-properties-system.c
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@ -409,7 +409,7 @@ void qdev_prop_set_drive(DeviceState *dev, const char *name,
if (value) {
ref = blk_name(value);
if (!*ref) {
BlockDriverState *bs = blk_bs(value);
const BlockDriverState *bs = blk_bs(value);
if (bs) {
ref = bdrv_get_node_name(bs);
}