[PATCH 5/6] powerpc: Mark archrandom.h functions __must_check
From: Richard Henderson <richard.henderson@linaro.org>
Date: 2019-10-28 21:07:33
Also in:
linux-arch, linux-arm-kernel, linux-s390
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
We cannot use the pointer output without validating the success of the random read. Signed-off-by: Richard Henderson <redacted> --- Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <redacted> Cc: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/include/asm/archrandom.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/include/asm/archrandom.h b/arch/powerpc/include/asm/archrandom.h
index f8a887c8b7f8..ee214b153a71 100644
--- a/arch/powerpc/include/asm/archrandom.h
+++ b/arch/powerpc/include/asm/archrandom.h@@ -6,17 +6,17 @@ #include <asm/machdep.h> -static inline bool arch_get_random_long(unsigned long *v) +static inline bool __must_check arch_get_random_long(unsigned long *v) { return false; } -static inline bool arch_get_random_int(unsigned int *v) +static inline bool __must_check arch_get_random_int(unsigned int *v) { return false; } -static inline bool arch_get_random_seed_long(unsigned long *v) +static inline bool __must_check arch_get_random_seed_long(unsigned long *v) { if (ppc_md.get_random_seed) return ppc_md.get_random_seed(v);
@@ -24,7 +24,7 @@ static inline bool arch_get_random_seed_long(unsigned long *v) return false; } -static inline bool arch_get_random_seed_int(unsigned int *v) +static inline bool __must_check arch_get_random_seed_int(unsigned int *v) { unsigned long val; bool rc;
--
2.17.1