drivers/tty/serial/8250/8250_fintek.c:364: warning: 'probe_data' is used uninitialized in this function

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   bfa738cf3dfae2111626650f86135f93c5ff0a22
commit: 6974f0c4555e285ab217cee58b6e874f776ff409 include/linux/string.h: add the option of fortified string.h functions
date:   4 weeks ago
config: x86_64-randconfig-v0-08092220 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout 6974f0c4555e285ab217cee58b6e874f776ff409
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   In file included from include/linux/bitmap.h:8,
                    from include/linux/cpumask.h:11,
                    from arch/x86/include/asm/cpumask.h:4,
                    from arch/x86/include/asm/msr.h:10,
                    from arch/x86/include/asm/processor.h:20,
                    from arch/x86/include/asm/cpufeature.h:4,
                    from arch/x86/include/asm/thread_info.h:52,
                    from include/linux/thread_info.h:37,
                    from arch/x86/include/asm/preempt.h:6,
                    from include/linux/preempt.h:80,
                    from include/linux/spinlock.h:50,
                    from include/linux/seqlock.h:35,
                    from include/linux/time.h:5,
                    from include/linux/stat.h:18,
                    from include/linux/module.h:10,
                    from drivers/tty/serial/8250/8250_fintek.c:11:
   include/linux/string.h: In function 'strcpy':
   include/linux/string.h:209: warning: '______f' is static but declared in inline function 'strcpy' which is not static
   include/linux/string.h:211: warning: '______f' is static but declared in inline function 'strcpy' which is not static
   include/linux/string.h: In function 'strncpy':
   include/linux/string.h:219: warning: '______f' is static but declared in inline function 'strncpy' which is not static
   include/linux/string.h:221: warning: '______f' is static but declared in inline function 'strncpy' which is not static
   include/linux/string.h: In function 'strcat':
   include/linux/string.h:229: warning: '______f' is static but declared in inline function 'strcat' which is not static
   include/linux/string.h:231: warning: '______f' is static but declared in inline function 'strcat' which is not static
   include/linux/string.h: In function 'strlen':
   include/linux/string.h:240: warning: '______f' is static but declared in inline function 'strlen' which is not static
   include/linux/string.h:243: warning: '______f' is static but declared in inline function 'strlen' which is not static
   include/linux/string.h: In function 'strnlen':
   include/linux/string.h:253: warning: '______f' is static but declared in inline function 'strnlen' which is not static
   include/linux/string.h: In function 'strlcpy':
   include/linux/string.h:265: warning: '______f' is static but declared in inline function 'strlcpy' which is not static
   include/linux/string.h:268: warning: '______f' is static but declared in inline function 'strlcpy' which is not static
   include/linux/string.h:270: warning: '______f' is static but declared in inline function 'strlcpy' which is not static
   include/linux/string.h:272: warning: '______f' is static but declared in inline function 'strlcpy' which is not static
   include/linux/string.h: In function 'strncat':
   include/linux/string.h:286: warning: '______f' is static but declared in inline function 'strncat' which is not static
   include/linux/string.h:290: warning: '______f' is static but declared in inline function 'strncat' which is not static
   include/linux/string.h: In function 'memset':
   include/linux/string.h:300: warning: '______f' is static but declared in inline function 'memset' which is not static
   include/linux/string.h:302: warning: '______f' is static but declared in inline function 'memset' which is not static
   include/linux/string.h: In function 'memcpy':
   include/linux/string.h:311: warning: '______f' is static but declared in inline function 'memcpy' which is not static
   include/linux/string.h:312: warning: '______f' is static but declared in inline function 'memcpy' which is not static
   include/linux/string.h:314: warning: '______f' is static but declared in inline function 'memcpy' which is not static
   include/linux/string.h:317: warning: '______f' is static but declared in inline function 'memcpy' which is not static
   include/linux/string.h: In function 'memmove':
   include/linux/string.h:326: warning: '______f' is static but declared in inline function 'memmove' which is not static
   include/linux/string.h:327: warning: '______f' is static but declared in inline function 'memmove' which is not static
   include/linux/string.h:329: warning: '______f' is static but declared in inline function 'memmove' which is not static
   include/linux/string.h:332: warning: '______f' is static but declared in inline function 'memmove' which is not static
   include/linux/string.h: In function 'memscan':
   include/linux/string.h:341: warning: '______f' is static but declared in inline function 'memscan' which is not static
   include/linux/string.h:343: warning: '______f' is static but declared in inline function 'memscan' which is not static
   include/linux/string.h: In function 'memcmp':
   include/linux/string.h:352: warning: '______f' is static but declared in inline function 'memcmp' which is not static
   include/linux/string.h:353: warning: '______f' is static but declared in inline function 'memcmp' which is not static
   include/linux/string.h:355: warning: '______f' is static but declared in inline function 'memcmp' which is not static
   include/linux/string.h:358: warning: '______f' is static but declared in inline function 'memcmp' which is not static
   include/linux/string.h: In function 'memchr':
   include/linux/string.h:366: warning: '______f' is static but declared in inline function 'memchr' which is not static
   include/linux/string.h:368: warning: '______f' is static but declared in inline function 'memchr' which is not static
   include/linux/string.h: In function 'memchr_inv':
   include/linux/string.h:377: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static
   include/linux/string.h:379: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static
   include/linux/string.h: In function 'kmemdup':
   include/linux/string.h:388: warning: '______f' is static but declared in inline function 'kmemdup' which is not static
   include/linux/string.h:390: warning: '______f' is static but declared in inline function 'kmemdup' which is not static
   drivers/tty/serial/8250/8250_fintek.c: In function 'fintek_8250_probe':
>> drivers/tty/serial/8250/8250_fintek.c:364: warning: 'probe_data' is used uninitialized in this function
   drivers/tty/serial/8250/8250_fintek.c:297: warning: 'min' may be used uninitialized in this function
   drivers/tty/serial/8250/8250_fintek.c:297: note: 'min' was declared here
   drivers/tty/serial/8250/8250_fintek.c:297: warning: 'max' may be used uninitialized in this function
   drivers/tty/serial/8250/8250_fintek.c:297: note: 'max' was declared here

vim +/probe_data +364 drivers/tty/serial/8250/8250_fintek.c

1e26c472 Ji-Ze Hong (Peter Hong  2016-10-04  360) 
fa01e2ca Ricardo Ribalda Delgado 2016-04-27  361  int fintek_8250_probe(struct uart_8250_port *uart)
28e3fb6c Ricardo Ribalda Delgado 2014-07-31  362  {
92a5f11a Ricardo Ribalda Delgado 2015-06-16  363  	struct fintek_8250 *pdata;
fa01e2ca Ricardo Ribalda Delgado 2016-04-27 @364  	struct fintek_8250 probe_data;

:::::: The code at line 364 was first introduced by commit
:::::: fa01e2ca9f531b4a5693469a196eb1574b8d7d8a serial: 8250: Integrate Fintek into 8250_base

:::::: TO: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
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