1 files changed, 3 insertions, 10 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
index 97000996b8dc..cdff99211602 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -328,7 +328,7 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
 {
         struct rpc_channel channel;
         char *msg, *reply = NULL;
-        size_t msg_len, reply_len = 0;
+        size_t reply_len = 0;
         int ret = 0;
 
 
@@ -338,15 +338,12 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
         if (!guest_info_param || !length)
                 return -EINVAL;
 
-        msg_len = strlen(guest_info_param) + strlen("info-get ") + 1;
-        msg = kzalloc(msg_len, GFP_KERNEL);
+        msg = kasprintf(GFP_KERNEL, "info-get %s", guest_info_param);
         if (!msg) {
                 DRM_ERROR("Cannot allocate memory to get %s", guest_info_param);
                 return -ENOMEM;
         }
 
-        sprintf(msg, "info-get %s", guest_info_param);
-
         if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
             vmw_send_msg(&channel, msg) ||
             vmw_recv_msg(&channel, (void *) &reply, &reply_len) ||
@@ -388,7 +385,6 @@ int vmw_host_log(const char *log)
 {
         struct rpc_channel channel;
         char *msg;
-        int msg_len;
         int ret = 0;
 
 
@@ -398,15 +394,12 @@ int vmw_host_log(const char *log)
         if (!log)
                 return ret;
 
-        msg_len = strlen(log) + strlen("log ") + 1;
-        msg = kzalloc(msg_len, GFP_KERNEL);
+        msg = kasprintf(GFP_KERNEL, "log %s", log);
         if (!msg) {
                 DRM_ERROR("Cannot allocate memory for log message\n");
                 return -ENOMEM;
         }
 
-        sprintf(msg, "log %s", log);
-
         if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
             vmw_send_msg(&channel, msg) ||
             vmw_close_channel(&channel)) {