build failure of next-20220822 due to 4e6bedd3c396 ("ASoC: codecs: add support for the TI SRC4392 codec")

Sudip Mukherjee (Codethink) sudipm.mukherjee at gmail.com
Mon Aug 22 11:28:50 CEST 2022


Hi All,

Not sure if it has been reported, builds of arm64 with clang failed to
build next-20220822 with the error:

sound/soc/codecs/src4xxx.c:280:3: error: variable 'd' is used uninitialized whenever switch default is taken [-Werror,-Wsometimes-uninitialized]
                default:
                ^~~~~~~
sound/soc/codecs/src4xxx.c:298:59: note: uninitialized use occurs here
                ret = regmap_write(src4xxx->regmap, SRC4XXX_RCV_PLL_11, d);
                                                                        ^
sound/soc/codecs/src4xxx.c:223:20: note: initialize the variable 'd' to silence this warning
        int val, pj, jd, d;
                          ^
                           = 0
sound/soc/codecs/src4xxx.c:280:3: error: variable 'jd' is used uninitialized whenever switch default is taken [-Werror,-Wsometimes-uninitialized]
                default:
                ^~~~~~~
sound/soc/codecs/src4xxx.c:293:59: note: uninitialized use occurs here
                ret = regmap_write(src4xxx->regmap, SRC4XXX_RCV_PLL_10, jd);
                                                                        ^~
sound/soc/codecs/src4xxx.c:223:17: note: initialize the variable 'jd' to silence this warning
        int val, pj, jd, d;
                       ^
                        = 0
sound/soc/codecs/src4xxx.c:280:3: error: variable 'pj' is used uninitialized whenever switch default is taken [-Werror,-Wsometimes-uninitialized]
                default:
                ^~~~~~~
sound/soc/codecs/src4xxx.c:288:59: note: uninitialized use occurs here
                ret = regmap_write(src4xxx->regmap, SRC4XXX_RCV_PLL_0F, pj);
                                                                        ^~
sound/soc/codecs/src4xxx.c:223:13: note: initialize the variable 'pj' to silence this warning
        int val, pj, jd, d;
                   ^
                    = 0
3 errors generated.

git bisect pointed to 4e6bedd3c396 ("ASoC: codecs: add support for the TI SRC4392 codec").

I will be happy to test any patch or provide any extra log if needed.


--
Regards
Sudip


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