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blockdev: fix drive-mirror 'granularity' error message

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Name the 'granularity' parameter and give its expected value range.
Previously the device name was mistakenly reported as the parameter
name.

Note that the error class is unchanged from ERROR_CLASS_GENERIC_ERROR.

Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
This commit is contained in:
Stefan Hajnoczi 2014-08-27 14:29:59 +01:00
parent 0b9caf9b31
commit 3cbbe9fd1f
1 changed files with 3 additions and 2 deletions
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blockdev.c
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@ -2179,11 +2179,12 @@ void qmp_drive_mirror(const char *device, const char *target,
}
if (granularity != 0 && (granularity < 512 || granularity > 1048576 * 64)) {
error_set(errp, QERR_INVALID_PARAMETER, device);
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "granularity",
"a value in range [512B, 64MB]");
return;
}
if (granularity & (granularity - 1)) {
error_set(errp, QERR_INVALID_PARAMETER, device);
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "granularity", "power of 2");
return;
}