Hi, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-3.14.y head: bd411c70884f51ef0ffa719c87a0a92197945cf1 commit: 3711edaf01a01818f2aed9f21efe29b9818134b9 [4656/4802] compiler-gcc: integrate the various compiler-gcc[345].h files config: i386-randconfig-i1-201628 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout 3711edaf01a01818f2aed9f21efe29b9818134b9 # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/media/i2c/s5k5baf.c: In function 's5k5baf_set_power': >> drivers/media/i2c/s5k5baf.c:1053:10: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if (!on != state->power) ^~ vim +1053 drivers/media/i2c/s5k5baf.c 7d459937 Andrzej Hajda 2013-12-05 1037 7d459937 Andrzej Hajda 2013-12-05 1038 ret = s5k5baf_fw_parse(&c->dev, &state->fw, fw->size / 2, 7d459937 Andrzej Hajda 2013-12-05 1039 (u16 *)fw->data); 7d459937 Andrzej Hajda 2013-12-05 1040 7d459937 Andrzej Hajda 2013-12-05 1041 release_firmware(fw); 7d459937 Andrzej Hajda 2013-12-05 1042 7d459937 Andrzej Hajda 2013-12-05 1043 return ret; 7d459937 Andrzej Hajda 2013-12-05 1044 } 7d459937 Andrzej Hajda 2013-12-05 1045 7d459937 Andrzej Hajda 2013-12-05 1046 static int s5k5baf_set_power(struct v4l2_subdev *sd, int on) 7d459937 Andrzej Hajda 2013-12-05 1047 { 7d459937 Andrzej Hajda 2013-12-05 1048 struct s5k5baf *state = to_s5k5baf(sd); 7d459937 Andrzej Hajda 2013-12-05 1049 int ret = 0; 7d459937 Andrzej Hajda 2013-12-05 1050 7d459937 Andrzej Hajda 2013-12-05 1051 mutex_lock(&state->lock); 7d459937 Andrzej Hajda 2013-12-05 1052 7d459937 Andrzej Hajda 2013-12-05 @1053 if (!on != state->power) 7d459937 Andrzej Hajda 2013-12-05 1054 goto out; 7d459937 Andrzej Hajda 2013-12-05 1055 7d459937 Andrzej Hajda 2013-12-05 1056 if (on) { 7d459937 Andrzej Hajda 2013-12-05 1057 if (state->fw == NULL) 7d459937 Andrzej Hajda 2013-12-05 1058 s5k5baf_load_setfile(state); 7d459937 Andrzej Hajda 2013-12-05 1059 7d459937 Andrzej Hajda 2013-12-05 1060 s5k5baf_initialize_data(state); 7d459937 Andrzej Hajda 2013-12-05 1061 ret = s5k5baf_power_on(state); :::::: The code at line 1053 was first introduced by commit :::::: 7d459937dc09bb8e448d9985ec4623779427d8a5 [media] Add driver for Samsung S5K5BAF camera sensor :::::: TO: Andrzej Hajda <a.hajda@xxxxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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