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kcsan: Simplify constant string handling
Simplify checking prefixes and length calculation of constant strings. For the former, the kernel provides str_has_prefix(), and the latter we should just use strlen("..") because GCC and Clang have optimizations that optimize these into constants. No functional change intended. Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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Marco Elver
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Paul E. McKenney
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Aug 24, 2020
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