firmware: arm_scmi: Add delayed response status check

stable inclusion
from stable-5.10.57
commit 1b1a00b13c34b0dd1ef3de6eed25f7cb1c2dfd35
bugzilla: 176179 https://gitee.com/openeuler/kernel/issues/I4DZ64

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1b1a00b13c34b0dd1ef3de6eed25f7cb1c2dfd35

--------------------------------

commit f1748b1e upstream.

A successfully received delayed response could anyway report a failure at
the protocol layer in the message status field.

Add a check also for this error condition.

Link: https://lore.kernel.org/r/20210608103056.3388-1-cristian.marussi@arm.com
Fixes: 58ecdf03 ("firmware: arm_scmi: Add support for asynchronous commands and delayed response")
Signed-off-by: NCristian Marussi <cristian.marussi@arm.com>
Signed-off-by: NSudeep Holla <sudeep.holla@arm.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/firmware/arm_scmi/driver.c

@@ -436,8 +436,12 @@ int scmi_do_xfer_with_response(const struct scmi_handle *handle,
 	xfer->async_done = &async_response;
 
 	ret = scmi_do_xfer(handle, xfer);
-	if (!ret && !wait_for_completion_timeout(xfer->async_done, timeout))
+	if (!ret) {
+		if (!wait_for_completion_timeout(xfer->async_done, timeout))
 			ret = -ETIMEDOUT;
+		else if (xfer->hdr.status)
+			ret = scmi_to_linux_errno(xfer->hdr.status);
+	}
 
 	xfer->async_done = NULL;
 	return ret;