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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_msg.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_msg.c13
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)) {