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authorAvinash Dayanand <avinash.dayanand@intel.com>2016-08-17 23:04:06 (GMT)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2016-08-20 04:40:34 (GMT)
commit0d8ab54a4119880bb9cb4680da1f5e9068d0d333 (patch)
treeedec8f0786134783eb836592e763d88706e2813a /drivers
parent35f5034f8e4bb4bce0c95a2aea2c719afbf8201f (diff)
downloadlinux-0d8ab54a4119880bb9cb4680da1f5e9068d0d333.tar.xz
i40e: Correcting mutex usage in client code
Correcting the mutex usage, in client_subtask(), mutex_unlock has to be called just before client_del_instance() since this function opens and later closes the same mutex again. Similarly in client_is_registered removing the mutex since it closes the mutex twice. This is a patch suggested by RDMA team. Change-ID: Icce519c266e4221b8a2a72a15ba5bf01750e5852 Signed-off-by: Avinash Dayanand <avinash.dayanand@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_client.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_client.c b/drivers/net/ethernet/intel/i40e/i40e_client.c
index 09a37cf..5404b32 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_client.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_client.c
@@ -576,6 +576,7 @@ void i40e_client_subtask(struct i40e_pf *pf)
set_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
} else {
/* remove client instance */
+ mutex_unlock(&i40e_client_instance_mutex);
i40e_client_del_instance(pf, client);
atomic_dec(&client->ref_cnt);
continue;