diff options
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_com.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c index 5f8769aa469d9..d59ea5148c16c 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -35,6 +35,8 @@ #define ENA_REGS_ADMIN_INTR_MASK 1 +#define ENA_MAX_BACKOFF_DELAY_EXP 16U + #define ENA_MIN_ADMIN_POLL_US 100 #define ENA_MAX_ADMIN_POLL_US 5000 @@ -522,6 +524,7 @@ static int ena_com_comp_status_to_errno(u8 comp_status) static void ena_delay_exponential_backoff_us(u32 exp, u32 delay_us) { + exp = min_t(u32, exp, ENA_MAX_BACKOFF_DELAY_EXP); delay_us = max_t(u32, ENA_MIN_ADMIN_POLL_US, delay_us); delay_us = min_t(u32, delay_us * (1U << exp), ENA_MAX_ADMIN_POLL_US); usleep_range(delay_us, 2 * delay_us); |