On Mon, Nov 30, 2015 at 08:47:42AM +0100, Heiko Schocher wrote: > compiling U-Boot for openrd_base_defconfig with > gcc 5.x shows the following warning: > > CC fs/ubifs/super.o > In file included from fs/ubifs/ubifs.h:35:0, > from fs/ubifs/super.c:37: > fs/ubifs/super.c: In function 'atomic_inc': > ./arch/arm/include/asm/atomic.h:55:2: warning: 'flags' is used uninitialized > in this function [-Wuninitialized] > local_irq_save(flags); > ^ > fs/ubifs/super.c: In function 'atomic_dec': > ./arch/arm/include/asm/atomic.h:64:2: warning: 'flags' is used uninitialized > in this function [-Wuninitialized] > local_irq_save(flags); > ^ > CC fs/ubifs/sb.o > [...] > CC fs/ubifs/lpt.o > In file included from include/linux/bitops.h:123:0, > from include/common.h:20, > from include/ubi_uboot.h:17, > from fs/ubifs/ubifs.h:37, > from fs/ubifs/lpt.c:35: > fs/ubifs/lpt.c: In function 'test_and_set_bit': > ./arch/arm/include/asm/bitops.h:57:2: warning: 'flags' is used uninitialized > in this function [-Wuninitialized] > local_irq_save(flags); > ^ > CC fs/ubifs/lpt_commit.o > In file included from include/linux/bitops.h:123:0, > from include/common.h:20, > from include/ubi_uboot.h:17, > from fs/ubifs/ubifs.h:37, > from fs/ubifs/lpt_commit.c:26: > fs/ubifs/lpt_commit.c: In function 'test_and_set_bit': > ./arch/arm/include/asm/bitops.h:57:2: warning: 'flags' is used uninitialized > in this function [-Wuninitialized] > local_irq_save(flags); > ^ > CC fs/ubifs/scan.o > CC fs/ubifs/lprops.o > CC fs/ubifs/tnc.o > In file included from include/linux/bitops.h:123:0, > from include/common.h:20, > from include/ubi_uboot.h:17, > from fs/ubifs/ubifs.h:37, > from fs/ubifs/tnc.c:30: > fs/ubifs/tnc.c: In function 'test_and_set_bit': > ./arch/arm/include/asm/bitops.h:57:2: warning: 'flags' is used uninitialized > in this function [-Wuninitialized] > local_irq_save(flags); > ^ > CC fs/ubifs/tnc_misc.o > > Fix it. > > Signed-off-by: Heiko Schocher <h...@denx.de>
I've re-thought this problem. I'm not seeing a better way to work around this problem without further divergence from upstream on these functions, so thanks for doing this! Applied to u-boot/master, thanks! -- Tom
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