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Commit 3fbeccf8 authored by Thomas Hellstrom's avatar Thomas Hellstrom
Browse files

drm/vmwgfx: Improve on host message error messages 



Make sure the error messages are a bit more descriptive, so that
a log reader may understand what's gone wrong.

Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: default avatarBrian Paul <brianp@vmware.com>
Reviewed-by: default avatarSinclair Yeh <syeh@vmware.com>
parent 3e79ecda

drivers/gpu/drm/vmwgfx/vmwgfx_msg.c

+7 −6
Original line number Diff line number Diff line
@@ -234,7 +234,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg, 


		if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0 ||

		    (HIGH_WORD(ecx) & MESSAGE_STATUS_HB) == 0) {

			DRM_ERROR("Failed to get reply size\n");

			DRM_ERROR("Failed to get reply size for host message.\n");

			return -EINVAL;

		}
@@ -245,7 +245,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg, 
		reply_len = ebx;

		reply     = kzalloc(reply_len + 1, GFP_KERNEL);

		if (!reply) {

			DRM_ERROR("Cannot allocate memory for reply\n");

			DRM_ERROR("Cannot allocate memory for host message reply.\n");

			return -ENOMEM;

		}
@@ -338,7 +338,8 @@ int vmw_host_get_guestinfo(const char *guest_info_param, 


	msg = kasprintf(GFP_KERNEL, "info-get %s", guest_info_param);

	if (!msg) {

		DRM_ERROR("Cannot allocate memory to get %s", guest_info_param);

		DRM_ERROR("Cannot allocate memory to get guest info \"%s\".",

			  guest_info_param);

		return -ENOMEM;

	}
@@ -374,7 +375,7 @@ int vmw_host_get_guestinfo(const char *guest_info_param, 
out_open:

	*length = 0;

	kfree(msg);

	DRM_ERROR("Failed to get %s", guest_info_param);

	DRM_ERROR("Failed to get guest info \"%s\".", guest_info_param);



	return -EINVAL;

}
@@ -403,7 +404,7 @@ int vmw_host_log(const char *log) 


	msg = kasprintf(GFP_KERNEL, "log %s", log);

	if (!msg) {

		DRM_ERROR("Cannot allocate memory for log message\n");

		DRM_ERROR("Cannot allocate memory for host log message.\n");

		return -ENOMEM;

	}
@@ -422,7 +423,7 @@ int vmw_host_log(const char *log) 
	vmw_close_channel(&channel);

out_open:

	kfree(msg);

	DRM_ERROR("Failed to send log\n");

	DRM_ERROR("Failed to send host log message.\n");



	return -EINVAL;

}