[PATCH 21/30] sfc: Add missing annotation for efx_ef10_try_update_nic_stats_vf()

[Jules Irenge]

Sparse reports a warning at  efx_ef10_try_update_nic_stats_vf()

warning: context imbalance in  efx_ef10_try_update_nic_stats_vf()
	 - unexpected unlock

The root cause is the missing annotation at
efx_ef10_try_update_nic_stats_vf()
Add the missing __must_hold(&efx->stats_lock) annotattion

Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx>
---
 drivers/net/ethernet/sfc/ef10.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 52113b7529d6..b1102c7e814d 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -1820,6 +1820,7 @@ static size_t efx_ef10_update_stats_pf(struct efx_nic *efx, u64 *full_stats,
 }
 
 static int efx_ef10_try_update_nic_stats_vf(struct efx_nic *efx)
+	__must_hold(&efx->stats_lock)
 {
 	MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN);
 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
-- 
2.24.1