Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
bitops: protect find_first_{,zero}_bit properly
find_first_bit() and find_first_zero_bit() are not protected with
ifdefs as other functions in find.h. It causes build errors on some
platforms if CONFIG_GENERIC_FIND_FIRST_BIT is enabled.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Fixes: 2cc7b6a44ac2 ("lib: add fast path for find_first_*_bit() and find_last_bit()")
Reported-by: kernel test robot <lkp@intel.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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include/asm-generic/bitops/find.h
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include/asm-generic/bitops/find.h
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#ifdef CONFIG_GENERIC_FIND_FIRST_BIT
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#ifndef find_first_bit
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/**
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* find_first_bit - find the first set bit in a memory region
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* @addr: The address to start the search at
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return _find_first_bit(addr, size);
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}
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#endif
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#ifndef find_first_zero_bit
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/**
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* find_first_zero_bit - find the first cleared bit in a memory region
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* @addr: The address to start the search at
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return _find_first_zero_bit(addr, size);
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}
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#endif
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#else /* CONFIG_GENERIC_FIND_FIRST_BIT */
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#ifndef find_first_bit