Build regression omap2plus_defconfig, multi_v7_defconfig builds fine

LD fs/built-in.o
scripts/mod/modpost.c: In function ‘remove_dot’:
scripts/mod/modpost.c:1710:10: warning: ignoring return value of ‘strtoul’, declared with attribute warn_unused_result [-Wunused-result] arch/arm/kernel/return_address.c:63:2: warning: #warning "TODO: return_address should use unwind tables" [-Wcpp] arch/arm/kernel/return_address.c:63:2: warning: #warning "TODO: return_address should use unwind tables" [-Wcpp] In file included from arch/arm/kernel/perf_event_cpu.c:69:0:
arch/arm/kernel/perf_event_v6.c: In function ‘armv6_1136_pmu_init’:
arch/arm/kernel/perf_event_v6.c:498:2: error: expected ‘;’ before ‘return’
arch/arm/kernel/perf_event_v6.c:499:1: warning: no return statement in function returning non-void [-Wreturn-type] arch/arm/kernel/perf_event_v6.c: In function ‘armv6_1156_pmu_init’:
arch/arm/kernel/perf_event_v6.c:505:2: error: expected ‘;’ before ‘return’
arch/arm/kernel/perf_event_v6.c:506:1: warning: no return statement in function returning non-void [-Wreturn-type] arch/arm/kernel/perf_event_v6.c: In function ‘armv6_1176_pmu_init’:
arch/arm/kernel/perf_event_v6.c:512:2: error: expected ‘;’ before ‘return’
arch/arm/kernel/perf_event_v6.c:513:1: warning: no return statement in function returning non-void [-Wreturn-type]

make[1]: *** [arch/arm/kernel/perf_event_cpu.o] Error 1
make: *** [arch/arm/kernel] Error 2
make: *** Waiting for unfinished jobs....
fs/direct-io.c: In function ‘__blockdev_direct_IO’:
fs/direct-io.c:1011:12: warning: ‘to’ may be used uninitialized in this function [-Wuninitialized] fs/direct-io.c:913:16: note: ‘to’ was declared here
fs/direct-io.c:920:9: warning: ‘from’ may be used uninitialized in this function [-Wuninitialized] fs/direct-io.c:913:10: note: ‘from’ was declared here