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authorRichard Henderson <[email protected]>2020-01-10 14:54:21 +0000
committerTheodore Ts'o <[email protected]>2020-01-25 12:18:51 -0500
commit8dae77ac56fec1e085fca3ecea49abda1b4b73d2 (patch)
tree2630f94c64052a93a771135e9c1e25f248e5fed9
parent98dcfce69729f9ce0fb14f96a39bbdba21429597 (diff)
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 <[email protected]> Reviewed-by: Ard Biesheuvel <[email protected]> Signed-off-by: Richard Henderson <[email protected]> Signed-off-by: Mark Brown <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Theodore Ts'o <[email protected]>
-rw-r--r--arch/powerpc/include/asm/archrandom.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/archrandom.h b/arch/powerpc/include/asm/archrandom.h
index f0f16b4fc5ea..9a53e29680f4 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;