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-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_msg.c48
1 files changed, 31 insertions, 17 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
index cdff99211602..21d746bdc922 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -329,8 +329,6 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
struct rpc_channel channel;
char *msg, *reply = NULL;
size_t reply_len = 0;
- int ret = 0;
-
if (!vmw_msg_enabled)
return -ENODEV;
@@ -344,15 +342,14 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
return -ENOMEM;
}
- if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
- vmw_send_msg(&channel, msg) ||
- vmw_recv_msg(&channel, (void *) &reply, &reply_len) ||
- vmw_close_channel(&channel)) {
- DRM_ERROR("Failed to get %s", guest_info_param);
+ if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM))
+ goto out_open;
- ret = -EINVAL;
- }
+ if (vmw_send_msg(&channel, msg) ||
+ vmw_recv_msg(&channel, (void *) &reply, &reply_len))
+ goto out_msg;
+ vmw_close_channel(&channel);
if (buffer && reply && reply_len > 0) {
/* Remove reply code, which are the first 2 characters of
* the reply
@@ -369,7 +366,17 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
kfree(reply);
kfree(msg);
- return ret;
+ return 0;
+
+out_msg:
+ vmw_close_channel(&channel);
+ kfree(reply);
+out_open:
+ *length = 0;
+ kfree(msg);
+ DRM_ERROR("Failed to get %s", guest_info_param);
+
+ return -EINVAL;
}
@@ -400,15 +407,22 @@ int vmw_host_log(const char *log)
return -ENOMEM;
}
- if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
- vmw_send_msg(&channel, msg) ||
- vmw_close_channel(&channel)) {
- DRM_ERROR("Failed to send log\n");
+ if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM))
+ goto out_open;
- ret = -EINVAL;
- }
+ if (vmw_send_msg(&channel, msg))
+ goto out_msg;
+ vmw_close_channel(&channel);
kfree(msg);
- return ret;
+ return 0;
+
+out_msg:
+ vmw_close_channel(&channel);
+out_open:
+ kfree(msg);
+ DRM_ERROR("Failed to send log\n");
+
+ return -EINVAL;
}