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commit1e111c4b3aupstream. If device_add(&sdkp->disk_dev) fails, put_device() runs scsi_disk_release(), which frees the scsi_disk but leaves the gendisk referenced. The device_add_disk() error path in sd_probe() calls put_disk(gd); call put_disk(gd) here to mirror that cleanup. Fixes:265dfe8ebb("scsi: sd: Free scsi_disk device via put_device()") Cc: stable@vger.kernel.org Reviewed-by: John Garry <john.g.garry@oracle.com> Signed-off-by: Yang Xiuwei <yangxiuwei@kylinos.cn> Link: https://patch.msgid.link/20260330014952.152776-1-yangxiuwei@kylinos.cn Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>