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powerpc: Mark archrandom.h functions __must_check
We must not use the pointer output without validating the success of the random read. Acked-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20200110145422.49141-10-broonie@kernel.org Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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1 changed files with 4 additions and 4 deletions
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@ -6,17 +6,17 @@
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#include <asm/machdep.h>
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static inline bool arch_get_random_long(unsigned long *v)
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static inline bool __must_check arch_get_random_long(unsigned long *v)
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{
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return false;
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}
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static inline bool arch_get_random_int(unsigned int *v)
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static inline bool __must_check arch_get_random_int(unsigned int *v)
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{
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return false;
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}
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static inline bool arch_get_random_seed_long(unsigned long *v)
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static inline bool __must_check arch_get_random_seed_long(unsigned long *v)
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{
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if (ppc_md.get_random_seed)
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return ppc_md.get_random_seed(v);
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@ -24,7 +24,7 @@ static inline bool arch_get_random_seed_long(unsigned long *v)
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return false;
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}
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static inline bool arch_get_random_seed_int(unsigned int *v)
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static inline bool __must_check arch_get_random_seed_int(unsigned int *v)
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{
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unsigned long val;
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bool rc;
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