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Erik van der Zalm 9db9842aea Fixed error found by the free coverity tool (https://scan.coverity.com/)
===================================================
Hi,

Please find the latest report on new defect(s) introduced to ErikZalm/Marlin found with Coverity Scan.

Defect(s) Reported-by: Coverity Scan
Showing 15 of 15 defect(s)

** CID 59629:  Unchecked return value  (CHECKED_RETURN)
/Marlin_main.cpp: 2154 in process_commands()()

** CID 59630:  Operands don't affect result  (CONSTANT_EXPRESSION_RESULT)
/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino/Tone.cpp: 319 in tone(unsigned char, unsigned int, unsigned long)()

** CID 59631:  Missing break in switch  (MISSING_BREAK)
/Marlin_main.cpp: 1187 in process_commands()()

** CID 59632:  Missing break in switch  (MISSING_BREAK)
/Marlin_main.cpp: 1193 in process_commands()()

** CID 59633:  Out-of-bounds write  (OVERRUN)
/temperature.cpp: 914 in disable_heater()()

** CID 59634:  Out-of-bounds write  (OVERRUN)
/temperature.cpp: 913 in disable_heater()()

** CID 59635:  Out-of-bounds read  (OVERRUN)
/temperature.cpp: 626 in analog2temp(int, unsigned char)()

** CID 59636:  Out-of-bounds read  (OVERRUN)
/temperature.cpp: 620 in analog2temp(int, unsigned char)()

** CID 59637:  Out-of-bounds write  (OVERRUN)
/temperature.cpp: 202 in PID_autotune(float, int, int)()

** CID 59638:  Out-of-bounds read  (OVERRUN)
/temperature.cpp: 214 in PID_autotune(float, int, int)()

** CID 59639:  Out-of-bounds write  (OVERRUN)
/Marlin_main.cpp: 2278 in process_commands()()

** CID 59640:  Out-of-bounds read  (OVERRUN)
/Marlin_main.cpp: 1802 in process_commands()()

** CID 59641:  Uninitialized scalar field  (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 51 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()

** CID 59642:  Uninitialized scalar field  (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 45 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()

** CID 59643:  Uninitialized scalar field  (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 32 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()

________________________________________________________________________________________________________
*** CID 59629:  Unchecked return value  (CHECKED_RETURN)
/Marlin_main.cpp: 2154 in process_commands()()
2148                 }
2149               #endif
2150             }
2151           }
2152           break;
2153         case 85: // M85
   CID 59629:  Unchecked return value  (CHECKED_RETURN)
   Calling "code_seen" without checking return value (as is done elsewhere 66 out of 67 times).
2154           code_seen('S');
2155           max_inactive_time = code_value() * 1000;
2156           break;
2157         case 92: // M92
2158           for(int8_t i=0; i < NUM_AXIS; i++)
2159           {

________________________________________________________________________________________________________
*** CID 59630:  Operands don't affect result  (CONSTANT_EXPRESSION_RESULT)
/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino/Tone.cpp: 319 in tone(unsigned char, unsigned int, unsigned long)()
313         else
314         {
315           // two choices for the 16 bit timers: ck/1 or ck/64
316           ocr = F_CPU / frequency / 2 - 1;
317
318           prescalarbits = 0b001;
   CID 59630:  Operands don't affect result  (CONSTANT_EXPRESSION_RESULT)
   "ocr > 65535U" is always false regardless of the values of its operands. This occurs as the logical operand of if.
319           if (ocr > 0xffff)
320           {
321             ocr = F_CPU / frequency / 2 / 64 - 1;
322             prescalarbits = 0b011;
323           }
324

________________________________________________________________________________________________________
*** CID 59631:  Missing break in switch  (MISSING_BREAK)
/Marlin_main.cpp: 1187 in process_commands()()
1181         case 2: // G2  - CW ARC
1182           if(Stopped == false) {
1183             get_arc_coordinates();
1184             prepare_arc_move(true);
1185             return;
1186           }
   CID 59631:  Missing break in switch  (MISSING_BREAK)
   The above case falls through to this one.
1187         case 3: // G3  - CCW ARC
1188           if(Stopped == false) {
1189             get_arc_coordinates();
1190             prepare_arc_move(false);
1191             return;
1192           }

________________________________________________________________________________________________________
*** CID 59632:  Missing break in switch  (MISSING_BREAK)
/Marlin_main.cpp: 1193 in process_commands()()
1187         case 3: // G3  - CCW ARC
1188           if(Stopped == false) {
1189             get_arc_coordinates();
1190             prepare_arc_move(false);
1191             return;
1192           }
   CID 59632:  Missing break in switch  (MISSING_BREAK)
   The above case falls through to this one.
1193         case 4: // G4 dwell
1194           LCD_MESSAGEPGM(MSG_DWELL);
1195           codenum = 0;
1196           if(code_seen('P')) codenum = code_value(); // milliseconds to wait
1197           if(code_seen('S')) codenum = code_value() * 1000; // seconds to wait
1198

________________________________________________________________________________________________________
*** CID 59633:  Out-of-bounds write  (OVERRUN)
/temperature.cpp: 914 in disable_heater()()
908          WRITE(HEATER_0_PIN,LOW);
909        #endif
910       #endif
911
912       #if defined(TEMP_1_PIN) && TEMP_1_PIN > -1
913         target_temperature[1]=0;
   CID 59633:  Out-of-bounds write  (OVERRUN)
   Overrunning array "soft_pwm" of 1 bytes at byte offset 1 using index "1".
914         soft_pwm[1]=0;
915         #if defined(HEATER_1_PIN) && HEATER_1_PIN > -1
916           WRITE(HEATER_1_PIN,LOW);
917         #endif
918       #endif
919

________________________________________________________________________________________________________
*** CID 59634:  Out-of-bounds write  (OVERRUN)
/temperature.cpp: 913 in disable_heater()()
907        #if defined(HEATER_0_PIN) && HEATER_0_PIN > -1
908          WRITE(HEATER_0_PIN,LOW);
909        #endif
910       #endif
911
912       #if defined(TEMP_1_PIN) && TEMP_1_PIN > -1
   CID 59634:  Out-of-bounds write  (OVERRUN)
   Overrunning array "target_temperature" of 1 2-byte elements at element index 1 (byte offset 2) using index "1".
913         target_temperature[1]=0;
914         soft_pwm[1]=0;
915         #if defined(HEATER_1_PIN) && HEATER_1_PIN > -1
916           WRITE(HEATER_1_PIN,LOW);
917         #endif
918       #endif

________________________________________________________________________________________________________
*** CID 59635:  Out-of-bounds read  (OVERRUN)
/temperature.cpp: 626 in analog2temp(int, unsigned char)()
620       if(heater_ttbl_map[e] != NULL)
621       {
622         float celsius = 0;
623         uint8_t i;
624         short (*tt)[][2] = (short (*)[][2])(heater_ttbl_map[e]);
625
   CID 59635:  Out-of-bounds read  (OVERRUN)
   Overrunning array "heater_ttbllen_map" of 1 bytes at byte offset 1 using index "e" (which evaluates to 1).
626         for (i=1; i<heater_ttbllen_map[e]; i++)
627         {
628           if (PGM_RD_W((*tt)[i][0]) > raw)
629           {
630             celsius = PGM_RD_W((*tt)[i-1][1]) +
631               (raw - PGM_RD_W((*tt)[i-1][0])) *

________________________________________________________________________________________________________
*** CID 59636:  Out-of-bounds read  (OVERRUN)
/temperature.cpp: 620 in analog2temp(int, unsigned char)()
614         if (e == 0)
615         {
616           return 0.25 * raw;
617         }
618       #endif
619
   CID 59636:  Out-of-bounds read  (OVERRUN)
   Overrunning array "heater_ttbl_map" of 1 2-byte elements at element index 1 (byte offset 2) using index "e" (which evaluates to 1).
620       if(heater_ttbl_map[e] != NULL)
621       {
622         float celsius = 0;
623         uint8_t i;
624         short (*tt)[][2] = (short (*)[][2])(heater_ttbl_map[e]);
625

________________________________________________________________________________________________________
*** CID 59637:  Out-of-bounds write  (OVERRUN)
/temperature.cpp: 202 in PID_autotune(float, int, int)()
196       {
197          soft_pwm_bed = (MAX_BED_POWER)/2;
198          bias = d = (MAX_BED_POWER)/2;
199        }
200        else
201        {
   CID 59637:  Out-of-bounds write  (OVERRUN)
   Overrunning array "soft_pwm" of 1 bytes at byte offset 1 using index "extruder" (which evaluates to 1).
202          soft_pwm[extruder] = (PID_MAX)/2;
203          bias = d = (PID_MAX)/2;
204       }
205
206
207

________________________________________________________________________________________________________
*** CID 59638:  Out-of-bounds read  (OVERRUN)
/temperature.cpp: 214 in PID_autotune(float, int, int)()
208
209      for(;;) {
210
211         if(temp_meas_ready == true) { // temp sample ready
212           updateTemperaturesFromRawValues();
213
   CID 59638:  Out-of-bounds read  (OVERRUN)
   Overrunning array "current_temperature" of 1 4-byte elements at element index 1 (byte offset 4) using index "extruder" (which evaluates to 1).
214           input = (extruder<0)?current_temperature_bed:current_temperature[extruder];
215
216           max=max(max,input);
217           min=min(min,input);
218           if(heating == true && input > temp) {
219             if(millis() - t2 > 5000) {

________________________________________________________________________________________________________
*** CID 59639:  Out-of-bounds write  (OVERRUN)
/Marlin_main.cpp: 2278 in process_commands()()
2272               tmp_extruder = code_value();
2273               if(tmp_extruder >= EXTRUDERS) {
2274                 SERIAL_ECHO_START;
2275                 SERIAL_ECHO(MSG_M200_INVALID_EXTRUDER);
2276               }
2277             }
   CID 59639:  Out-of-bounds write  (OVERRUN)
   Overrunning array "volumetric_multiplier" of 1 4-byte elements at element index 1 (byte offset 4) using index "tmp_extruder" (which evaluates to 1).
2278             volumetric_multiplier[tmp_extruder] = 1 / area;
2279           }
2280           break;
2281         case 201: // M201
2282           for(int8_t i=0; i < NUM_AXIS; i++)
2283           {

________________________________________________________________________________________________________
*** CID 59640:  Out-of-bounds read  (OVERRUN)
/Marlin_main.cpp: 1802 in process_commands()()
1796             int pin_status = code_value();
1797             int pin_number = LED_PIN;
1798             if (code_seen('P') && pin_status >= 0 && pin_status <= 255)
1799               pin_number = code_value();
1800             for(int8_t i = 0; i < (int8_t)sizeof(sensitive_pins); i++)
1801             {
   CID 59640:  Out-of-bounds read  (OVERRUN)
   Overrunning array "sensitive_pins" of 28 2-byte elements at element index 55 (byte offset 110) using index "i" (which evaluates to 55).
1802               if (sensitive_pins[i] == pin_number)
1803               {
1804                 pin_number = -1;
1805                 break;
1806               }
1807             }

________________________________________________________________________________________________________
*** CID 59641:  Uninitialized scalar field  (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 51 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
45     }
46
47     LiquidCrystal::LiquidCrystal(uint8_t rs,  uint8_t enable,
48     			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
49     {
50       init(1, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
   CID 59641:  Uninitialized scalar field  (UNINIT_CTOR)
   Non-static class member "_initialized" is not initialized in this constructor nor in any functions that it calls.
51     }
52
53     void LiquidCrystal::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
54     			 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
55     			 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
56     {

________________________________________________________________________________________________________
*** CID 59642:  Uninitialized scalar field  (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 45 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
39     }
40
41     LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
42     			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
43     {
44       init(1, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
   CID 59642:  Uninitialized scalar field  (UNINIT_CTOR)
   Non-static class member "_initialized" is not initialized in this constructor nor in any functions that it calls.
45     }
46
47     LiquidCrystal::LiquidCrystal(uint8_t rs,  uint8_t enable,
48     			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
49     {
50       init(1, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);

________________________________________________________________________________________________________
*** CID 59643:  Uninitialized scalar field  (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 32 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
26
27     LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
28     			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
29     			     uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
30     {
31       init(0, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
   CID 59643:  Uninitialized scalar field  (UNINIT_CTOR)
   Non-static class member "_initialized" is not initialized in this constructor nor in any functions that it calls.
32     }
33
34     LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
35     			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
36     			     uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
37     {

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To view the defects in Coverity Scan visit, http://scan.coverity.com/projects/2224?tab=overview
11 years ago
..
example_configurations Add safety limit for hot bed power in example configuration 11 years ago
BlinkM.cpp Corrected LCD only error 11 years ago
BlinkM.h Corrected LCD only error 11 years ago
COPYING first commit 14 years ago
Configuration.h Merge branch 'Marlin_v1' of github.com:ErikZalm/Marlin into Marlin_v1 11 years ago
ConfigurationStore.cpp Only increase EEPROM version for DELTA printers. 11 years ago
ConfigurationStore.h Removed Delta from the default config file. 11 years ago
Configuration_adv.h Update Configuration_adv.h 11 years ago
DOGMbitmaps.h Apply all changes from latest Marlin_V1 12 years ago
LCD Menu Tree.pdf Update the menu plan document with the current menu as per ultralcd.cpp. 11 years ago
LiquidCrystalRus.cpp Various typo fixes - only in comments, no code changes. 11 years ago
LiquidCrystalRus.h Enables support the Cyrillic alphabet for LCD 12 years ago
Makefile Makefile works with auto bed leveling 11 years ago
Marlin.h Individual extruder flow rate 11 years ago
Marlin.ino Add Azteeg X3 Pro as motherboard 68 11 years ago
Marlin.pde Add Azteeg X3 Pro as motherboard 68 11 years ago
MarlinSerial.cpp Various typo fixes - only in comments, no code changes. 11 years ago
MarlinSerial.h Initial SAV MkI (RepRap CloneWars board) integration. 11 years ago
Marlin_main.cpp Fixed error found by the free coverity tool (https://scan.coverity.com/) 11 years ago
Menu Plans.xlsx Update the menu plan document with the current menu as per ultralcd.cpp. 11 years ago
Sd2Card.cpp Add feature to check&retry CRC read errors on SD. 11 years ago
Sd2Card.h Add feature to check&retry CRC read errors on SD. 11 years ago
Sd2PinMap.h Initial SAV MkI (RepRap CloneWars board) integration. 11 years ago
SdBaseFile.cpp Few simple fixes that save RAM, as static strings are stored in RAM by default. 12 years ago
SdBaseFile.h Added long filename support. 13 years ago
SdFatConfig.h Added long filename support. 13 years ago
SdFatStructs.h Added long filename support. 13 years ago
SdFatUtil.cpp Updated SERIAL define to MYSERIAL, because Arduino 1.0 defines SERIAL as 0. 13 years ago
SdFatUtil.h made sd code only compile with SDSUPPORT defined. safes 10k of codespace 13 years ago
SdFile.cpp First cleanup. Moved all code to cpp files, so there are no dependencies on pde files. And no more odd requirement to cat files together. (Still need to fix the Makefile). Also cleaned up some defines and made defines upper case as by C coding conventions. 12 years ago
SdFile.h made sd code only compile with SDSUPPORT defined. safes 10k of codespace 13 years ago
SdInfo.h made sd code only compile with SDSUPPORT defined. safes 10k of codespace 13 years ago
SdVolume.cpp made sd code only compile with SDSUPPORT defined. safes 10k of codespace 13 years ago
SdVolume.h made sd code only compile with SDSUPPORT defined. safes 10k of codespace 13 years ago
Servo.cpp Bed Auto Leveling feature 11 years ago
Servo.h Various typo fixes - only in comments, no code changes. 11 years ago
cardreader.cpp Various typo fixes - only in comments, no code changes. 11 years ago
cardreader.h preparation for hibernation 11 years ago
createTemperatureLookupMarlin.py Add M605 to dynamically set delta configuration 11 years ago
create_speed_lookuptable.py Added 20MHz support. 13 years ago
digipot_mcp4451.cpp Add Digipot config for 5DPrint D8 Driver Board 11 years ago
dogm_font_data_marlin.h Removed STB custom font hack from u8glib library and moved to marlin project 12 years ago
dogm_lcd_implementation.h fixed bad lcd commit from makr3d 12 years ago
fastio.h Various typo fixes - only in comments, no code changes. 11 years ago
language.h Add makibox machine information 11 years ago
motion_control.cpp software_endstops: use *_MIN_POS and *_MAX_POS for arcs 13 years ago
motion_control.h Removed interrupt nesting in the stepper ISR. 13 years ago
pins.h Fix for pin mapping for SDSS pin and Fan pin, so Arduino library can be used 11 years ago
planner.cpp Fixed math 11 years ago
planner.h Bed Auto Leveling feature 11 years ago
qr_solve.cpp Various typo fixes - only in comments, no code changes. 11 years ago
qr_solve.h Simplify 3-point probing using new code only 11 years ago
speed_lookuptable.h Made the 2nd speed lookup table condition more explicit. 12 years ago
stepper.cpp Merge branch 'Marlin_v1' of github.com:ErikZalm/Marlin into Marlin_v1 11 years ago
stepper.h Various typo fixes - only in comments, no code changes. 11 years ago
temperature.cpp Fixed error found by the free coverity tool (https://scan.coverity.com/) 11 years ago
temperature.h Various typo fixes - only in comments, no code changes. 11 years ago
thermistortables.h Add 5DPrint D8 Driver Board info and temperature table for Makibox hot bed 11 years ago
ultralcd.cpp Merge branch 'Marlin_v1' of github.com:ErikZalm/Marlin into Marlin_v1 11 years ago
ultralcd.h Various typo fixes - only in comments, no code changes. 11 years ago
ultralcd_implementation_hitachi_HD44780.h Various typo fixes - only in comments, no code changes. 11 years ago
ultralcd_st7920_u8glib_rrd.h Various typo fixes - only in comments, no code changes. 11 years ago
vector_3.cpp Merge pull request #689 from cajun-rat/tidy 11 years ago
vector_3.h Fixed the plane vector equation to a simpler one (only dependent on the normal) 11 years ago
watchdog.cpp Fix compiling the watchdog error message when the manual reset watchdog is used. 12 years ago
watchdog.h Various typo fixes - only in comments, no code changes. 11 years ago