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drm/vmwgfx: Improve on host message error messages

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

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
This commit is contained in:
Thomas Hellstrom 2018-06-20 11:38:48 +02:00
parent 3e79ecdad8
commit 3fbeccf8ce
1 changed files with 7 additions and 6 deletions
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13
drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
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@ -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 @@ out_msg:
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 @@ out_msg:
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;
}