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blockdev: Give find_block_job() an Error ** parameter 

When find_block_job() fails, all its callers build the same Error
object.  Build it in find_block_job() instead.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1422524221-8566-2-git-send-email-armbru@redhat.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Markus Armbruster 2015-01-29 10:36:58 +01:00 committed by Max Reitz
parent 8c44dfbc62
commit 24d6bffe8a
1 changed files with 8 additions and 11 deletions
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19
blockdev.c
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@ -2653,7 +2653,8 @@ out:
}
/* Get the block job for a given device name and acquire its AioContext */
static BlockJob *find_block_job(const char *device, AioContext **aio_context)
static BlockJob *find_block_job(const char *device, AioContext **aio_context,
Error **errp)
{
BlockDriverState *bs;
@ -2673,6 +2674,7 @@ static BlockJob *find_block_job(const char *device, AioContext **aio_context)
return bs->job;
notfound:
error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device);
*aio_context = NULL;
return NULL;
}
@ -2680,10 +2682,9 @@ notfound:
void qmp_block_job_set_speed(const char *device, int64_t speed, Error **errp)
{
AioContext *aio_context;
BlockJob *job = find_block_job(device, &aio_context);
BlockJob *job = find_block_job(device, &aio_context, errp);
if (!job) {
error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device);
return;
}
@ -2695,10 +2696,9 @@ void qmp_block_job_cancel(const char *device,
bool has_force, bool force, Error **errp)
{
AioContext *aio_context;
BlockJob *job = find_block_job(device, &aio_context);
BlockJob *job = find_block_job(device, &aio_context, errp);
if (!job) {
error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device);
return;
}
@ -2721,10 +2721,9 @@ out:
void qmp_block_job_pause(const char *device, Error **errp)
{
AioContext *aio_context;
BlockJob *job = find_block_job(device, &aio_context);
BlockJob *job = find_block_job(device, &aio_context, errp);
if (!job) {
error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device);
return;
}
@ -2736,10 +2735,9 @@ void qmp_block_job_pause(const char *device, Error **errp)
void qmp_block_job_resume(const char *device, Error **errp)
{
AioContext *aio_context;
BlockJob *job = find_block_job(device, &aio_context);
BlockJob *job = find_block_job(device, &aio_context, errp);
if (!job) {
error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device);
return;
}
@ -2751,10 +2749,9 @@ void qmp_block_job_resume(const char *device, Error **errp)
void qmp_block_job_complete(const char *device, Error **errp)
{
AioContext *aio_context;
BlockJob *job = find_block_job(device, &aio_context);
BlockJob *job = find_block_job(device, &aio_context, errp);
if (!job) {
error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device);
return;
}