IB/hfi1: Fix error return code in parse_platform_config()

Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Fixes: 77241056 ("IB/hfi1: add driver files")
Link: https://lore.kernel.org/r/20210408113140.103032-1-wangwensheng4@huawei.comReported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Wensheng <wangwensheng4@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hfi1/firmware.c

@@ -1916,6 +1916,7 @@ int parse_platform_config(struct hfi1_devdata *dd)
 			dd_dev_err(dd, "%s: Failed CRC check at offset %ld\n",
 				   __func__, (ptr -
 				   (u32 *)dd->platform_config.data));
+			ret = -EINVAL;
 			goto bail;
 		}
 		/* Jump the CRC DWORD */