diff --git a/mtp/ffs/MtpServer.cpp b/mtp/ffs/MtpServer.cpp
index cacb45e..2a9e305 100755
--- a/mtp/ffs/MtpServer.cpp
+++ b/mtp/ffs/MtpServer.cpp
@@ -43,6 +43,8 @@
 #include "MtpStorage.h"
 #include "MtpStringBuffer.h"
 
+static const int SN_EVENT_LOG_ID = 0x534e4554;
+
 static const MtpOperationCode kSupportedOperationCodes[] = {
 	MTP_OPERATION_GET_DEVICE_INFO,
 	MTP_OPERATION_OPEN_SESSION,
@@ -969,9 +971,20 @@
 	if (!parseDateTime(modified, modifiedTime))
 		modifiedTime = 0;
 
+	if ((strcmp(name, ".") == 0) || (strcmp(name, "..") == 0) ||
+		(strcmp(name, "/") == 0) || (strcmp(basename(name), name) != 0)) {
+		char errMsg[80];
+
+		sprintf(errMsg, "Invalid name: %s", (const char *) name);
+		ALOGE("%s (b/130656917)", errMsg);
+		android_errorWriteWithInfoLog(SN_EVENT_LOG_ID, "130656917", -1, errMsg,
+										strlen(errMsg));
+
+		return MTP_RESPONSE_INVALID_PARAMETER;
+	}
 	if (path[path.size() - 1] != '/')
 		path.append("/");
-	path.append(name);
+	path.append(basename(name));
 
 	// check space first
 	if (mSendObjectFileSize > storage->getFreeSpace())