More coverity fixes

client/cmdhfmf.c

@@ -667,12 +667,15 @@ int CmdHF14AMfRestore(const char *Cmd)
 	}
 	if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
 		PrintAndLog("Could not find file dumpkeys.bin");
+		fclose(fdump);
 		return 1;
 	}
 	
 	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
 		if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) {
 			PrintAndLog("File reading error (dumpkeys.bin).");
+			fclose(fdump);
+			fclose(fkeys);
 			return 2;
 		}
 	}
@@ -680,9 +683,12 @@ int CmdHF14AMfRestore(const char *Cmd)
 	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
 		if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) {
 			PrintAndLog("File reading error (dumpkeys.bin).");
+			fclose(fdump);
+			fclose(fkeys);
 			return 2;
 		}
 	}
+	fclose(fkeys);
 
 	PrintAndLog("Restoring dumpdata.bin to card");
 
@@ -693,6 +699,7 @@ int CmdHF14AMfRestore(const char *Cmd)
 			
 			if (fread(bldata, 1, 16, fdump) == 0) {
 				PrintAndLog("File reading error (dumpdata.bin).");
+				fclose(fdump);
 				return 2;
 			}
 					
@@ -727,7 +734,6 @@ int CmdHF14AMfRestore(const char *Cmd)
 	}
 	
 	fclose(fdump);
-	fclose(fkeys);
 	return 0;
 }
 

client/loclass/cipherutils.c

@@ -192,6 +192,7 @@ void printarr_human_readable(char * title, uint8_t* arr, int len)
 		cx += snprintf(output+cx,outsize-cx, "%02x ",*(arr+i));
 	}
 	prnlog(output);
+	free(output);
 }
 
 //-----------------------------

client/loclass/fileutils.c

@@ -35,6 +35,7 @@ int saveFile(const char *preferredName, const char *suffix, const void* data, si
 	FILE *fileHandle=fopen(fileName,"wb");
 	if(!fileHandle) {
 		prnlog("Failed to write to file '%s'", fileName);
+		free(fileName);
 		return 1;
 	}
 	fwrite(data, 1,	datalen, fileHandle);

client/mifarehost.c

@@ -350,13 +350,15 @@ int loadTraceCard(uint8_t *tuid) {
 	while(!feof(f)){
 		memset(buf, 0, sizeof(buf));
 		if (fgets(buf, sizeof(buf), f) == NULL) {
-      PrintAndLog("File reading error.");
+			PrintAndLog("File reading error.");
+			fclose(f);
 			return 2;
-    }
+    	}
 
 		if (strlen(buf) < 32){
 			if (feof(f)) break;
 			PrintAndLog("File content error. Block data must include 32 HEX symbols");
+			fclose(f);
 			return 2;
 		}
 		for (i = 0; i < 32; i += 2)

client/uart.c

@@ -73,6 +73,7 @@ serial_port uart_open(const char* pcPortName)
   // Does the system allows us to place a lock on this file descriptor
   if (fcntl(sp->fd, F_SETLK, &fl) == -1) {
     // A conflicting lock is held by another process
+    free(sp);
     return CLAIMED_SERIAL_PORT;
   }