[PATCH v3 05/10] arm: use fallback for random_get_entropy() instead of zero

Jason A. Donenfeld
2022-04-12T17:32:12Z

Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
arch/arm/include/asm/timex.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h
index 7c3b3671d6c2..6d1337c169cd 100644
--- a/arch/arm/include/asm/timex.h
+++ b/arch/arm/include/asm/timex.h
@@ -11,5 +11,6 @@

typedef unsigned long cycles_t;
#define get_cycles() ({ cycles_t c; read_current_timer(&c) ? 0 : c; })
+#define random_get_entropy() (((unsigned long)get_cycles()) ?: random_get_entropy_fallback())

#endif
--
2.35.1