CC: [email protected]
CC: [email protected]
TO: Julian Braha <[email protected]>
CC: Andrew Morton <[email protected]>
CC: Linux Memory Management List <[email protected]>

Hi Julian,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b
commit: 7d37cb2c912dc5c25ffac784a4f9b98c06c6bd08 lib: fix kconfig dependency on 
ARCH_WANT_FRAME_POINTERS
date:   3 months ago
:::::: branch date: 20 hours ago
:::::: commit date: 3 months ago
compiler: csky-linux-gcc (GCC) 10.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/pinctrl/renesas/core.c:131:16: warning: Possible null pointer 
>> dereference: r [nullPointer]
    if (enum_id < r->begin)
                  ^
   drivers/pinctrl/renesas/core.c:323:11: note: Assignment 'range=NULL', 
assigned value is 0
     range = NULL;
             ^
   drivers/pinctrl/renesas/core.c:371:46: note: Calling function 
'sh_pfc_enum_in_range', 2nd argument 'range' value is 0
       in_range = sh_pfc_enum_in_range(enum_id, range);
                                                ^
   drivers/pinctrl/renesas/core.c:131:16: note: Null pointer dereference
    if (enum_id < r->begin)
                  ^
   drivers/pinctrl/renesas/core.c:134:16: warning: Possible null pointer 
dereference: r [nullPointer]
    if (enum_id > r->end)
                  ^
   drivers/pinctrl/renesas/core.c:323:11: note: Assignment 'range=NULL', 
assigned value is 0
     range = NULL;
             ^
   drivers/pinctrl/renesas/core.c:371:46: note: Calling function 
'sh_pfc_enum_in_range', 2nd argument 'range' value is 0
       in_range = sh_pfc_enum_in_range(enum_id, range);
                                                ^
   drivers/pinctrl/renesas/core.c:134:16: note: Null pointer dereference
    if (enum_id > r->end)
                  ^

vim +131 drivers/pinctrl/renesas/core.c

934cb02bab9003 drivers/pinctrl/sh-pfc/core.c Laurent Pinchart 2013-02-14  128  
533743dccb517b drivers/pinctrl/sh-pfc/core.c Laurent Pinchart 2013-07-15  129  
static int sh_pfc_enum_in_range(u16 enum_id, const struct pinmux_range *r)
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  130  {
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08 @131   
if (enum_id < r->begin)
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  132   
        return 0;
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  133  
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  134   
if (enum_id > r->end)
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  135   
        return 0;
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  136  
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  137   
return 1;
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  138  }
2967dab1ae37e3 arch/sh/kernel/gpio.c         Magnus Damm      2008-10-08  139  

:::::: The code at line 131 was first introduced by commit
:::::: 2967dab1ae37e30f1b71316513b49fd25c42eabe sh: GPIO and pinmux base code

:::::: TO: Magnus Damm <[email protected]>
:::::: CC: Paul Mundt <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]
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