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block/raw-win32: Always use -errno in hdev_open
On one occasion, hdev_open() returned -1 in case of an unknown error instead of a proper -errno value. Adjust this to match the behavior of raw_open() (in raw-win32), which is to return -EINVAL in this case. Also, change the call to error_setg*() to match the one in raw_open() as well. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -590,12 +590,11 @@ static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
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int err = GetLastError();
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if (err == ERROR_ACCESS_DENIED) {
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error_setg_errno(errp, EACCES, "Could not open device");
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ret = -EACCES;
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} else {
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error_setg(errp, "Could not open device");
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ret = -1;
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ret = -EINVAL;
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}
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error_setg_errno(errp, -ret, "Could not open device");
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goto done;
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}
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