Hi Andrey, [auto build test ERROR on: v4.4-rc3] [cannot apply to: tip/x86/core kbuild/for-next next-20151127] url: https://github.com/0day-ci/linux/commits/Andrey-Ryabinin/kernel-printk-specify-alignment-for-struct-printk_log/20151201-000229 config: i386-allyesconfig (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): net/mac80211/debugfs.c: In function 'hwflags_read': >> net/mac80211/debugfs.c:150:240: error: call to '__compiletime_assert_150' declared with attribute error: BUILD_BUG_ON failed: hw_flag_names[NUM_IEEE80211_HW_FLAGS] != (void *)0x1 vim +/__compiletime_assert_150 +150 net/mac80211/debugfs.c 279daf64 Ben Greear 2011-03-23 134 static ssize_t hwflags_read(struct file *file, char __user *user_buf, 279daf64 Ben Greear 2011-03-23 135 size_t count, loff_t *ppos) 279daf64 Ben Greear 2011-03-23 136 { 279daf64 Ben Greear 2011-03-23 137 struct ieee80211_local *local = file->private_data; 30686bf7 Johannes Berg 2015-06-02 138 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS; 30686bf7 Johannes Berg 2015-06-02 139 char *buf = kzalloc(bufsz, GFP_KERNEL); 30686bf7 Johannes Berg 2015-06-02 140 char *pos = buf, *end = buf + bufsz - 1; 279daf64 Ben Greear 2011-03-23 141 ssize_t rv; 30686bf7 Johannes Berg 2015-06-02 142 int i; 279daf64 Ben Greear 2011-03-23 143 d15b8459 Joe Perches 2011-08-29 144 if (!buf) 30686bf7 Johannes Berg 2015-06-02 145 return -ENOMEM; 30686bf7 Johannes Berg 2015-06-02 146 30686bf7 Johannes Berg 2015-06-02 147 /* fail compilation if somebody adds or removes 30686bf7 Johannes Berg 2015-06-02 148 * a flag without updating the name array above 30686bf7 Johannes Berg 2015-06-02 149 */ 30686bf7 Johannes Berg 2015-06-02 @150 BUILD_BUG_ON(hw_flag_names[NUM_IEEE80211_HW_FLAGS] != (void *)0x1); 30686bf7 Johannes Berg 2015-06-02 151 30686bf7 Johannes Berg 2015-06-02 152 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) { 30686bf7 Johannes Berg 2015-06-02 153 if (test_bit(i, local->hw.flags)) 4633dfc3 Mohammed Shafi Shajakhan 2015-10-08 154 pos += scnprintf(pos, end - pos, "%s\n", 30686bf7 Johannes Berg 2015-06-02 155 hw_flag_names[i]); 30686bf7 Johannes Berg 2015-06-02 156 } 279daf64 Ben Greear 2011-03-23 157 279daf64 Ben Greear 2011-03-23 158 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); :::::: The code at line 150 was first introduced by commit :::::: 30686bf7f5b3c30831761e188a6e3cb33580fa48 mac80211: convert HW flags to unsigned long bitmap :::::: TO: Johannes Berg <johannes.berg@xxxxxxxxx> :::::: CC: Johannes Berg <johannes.berg@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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