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authorEdward Cree <ecree@solarflare.com>2020-10-20 17:35:08 +0300
committerJakub Kicinski <kuba@kernel.org>2020-10-21 07:22:23 +0300
commit05f90bf3d5df40e1a705527520e5fd56b2b6f09e (patch)
treef2c04ca112b62d574c7abd054976f9e1a9fb94fa /drivers/net/ethernet/sfc
parentb7c24497baeaf21172b447f7cca36b0e99bd11e3 (diff)
downloadlinux-05f90bf3d5df40e1a705527520e5fd56b2b6f09e.tar.xz
sfc: move initialisation of efx->filter_sem to efx_init_struct()
efx_probe_filters() has not been called yet when EF100 calls into efx_mcdi_filter_table_probe(), for which it wants to take the filter_sem. Fixes: a9dc3d5612ce ("sfc_ef100: RX filter table management and related gubbins") Signed-off-by: Edward Cree <ecree@solarflare.com> Link: https://lore.kernel.org/r/24fad43e-887d-051e-25e3-506f23f63abf@solarflare.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/sfc')
-rw-r--r--drivers/net/ethernet/sfc/efx_common.c1
-rw-r--r--drivers/net/ethernet/sfc/rx_common.c1
2 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c
index 72a3f0e09f52..de797e1ac5a9 100644
--- a/drivers/net/ethernet/sfc/efx_common.c
+++ b/drivers/net/ethernet/sfc/efx_common.c
@@ -1014,6 +1014,7 @@ int efx_init_struct(struct efx_nic *efx,
efx->num_mac_stats = MC_CMD_MAC_NSTATS;
BUILD_BUG_ON(MC_CMD_MAC_NSTATS - 1 != MC_CMD_MAC_GENERATION_END);
mutex_init(&efx->mac_lock);
+ init_rwsem(&efx->filter_sem);
#ifdef CONFIG_RFS_ACCEL
mutex_init(&efx->rps_mutex);
spin_lock_init(&efx->rps_hash_lock);
diff --git a/drivers/net/ethernet/sfc/rx_common.c b/drivers/net/ethernet/sfc/rx_common.c
index 5e29284c89c9..19cf7cac1e6e 100644
--- a/drivers/net/ethernet/sfc/rx_common.c
+++ b/drivers/net/ethernet/sfc/rx_common.c
@@ -797,7 +797,6 @@ int efx_probe_filters(struct efx_nic *efx)
{
int rc;
- init_rwsem(&efx->filter_sem);
mutex_lock(&efx->mac_lock);
down_write(&efx->filter_sem);
rc = efx->type->filter_table_probe(efx);