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-rw-r--r--drivers/char/hw_random/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 5c2d13c6e189..8b7d56a0fe3a 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -53,7 +53,8 @@ static struct hwrng *current_rng;
static LIST_HEAD(rng_list);
static DEFINE_MUTEX(rng_mutex);
static int data_avail;
-static u8 rng_buffer[SMP_CACHE_BYTES] __cacheline_aligned;
+static u8 rng_buffer[SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES]
+ __cacheline_aligned;
static inline int hwrng_init(struct hwrng *rng)
{