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authorMitch Williams <mitch.a.williams@intel.com>2015-10-04 00:13:05 (GMT)
committerDavid S. Miller <davem@davemloft.net>2015-10-07 11:13:50 (GMT)
commit90d2c056bd85bbb47104c52e08eecf8408163a54 (patch)
tree1eea4dd5e2f5c503d746bb01981639f4452ba22f
parent855591d2f7d1ff7eb18b60ce2be494e3bfe27fb8 (diff)
downloadlinux-90d2c056bd85bbb47104c52e08eecf8408163a54.tar.xz
i40e/i40evf: set AQ count after memory allocation
The standard way to check if the AQ is enabled is to look at the count field. So we should only set this field after we have successfully allocated memory. To do otherwise is to incite panic among the populace. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_adminq.c4
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_adminq.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
index 62488a6..c0e943a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
@@ -386,7 +386,6 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw)
hw->aq.asq.next_to_use = 0;
hw->aq.asq.next_to_clean = 0;
- hw->aq.asq.count = hw->aq.num_asq_entries;
/* allocate the ring memory */
ret_code = i40e_alloc_adminq_asq_ring(hw);
@@ -404,6 +403,7 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw)
goto init_adminq_free_rings;
/* success! */
+ hw->aq.asq.count = hw->aq.num_asq_entries;
goto init_adminq_exit;
init_adminq_free_rings:
@@ -445,7 +445,6 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw)
hw->aq.arq.next_to_use = 0;
hw->aq.arq.next_to_clean = 0;
- hw->aq.arq.count = hw->aq.num_arq_entries;
/* allocate the ring memory */
ret_code = i40e_alloc_adminq_arq_ring(hw);
@@ -463,6 +462,7 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw)
goto init_adminq_free_rings;
/* success! */
+ hw->aq.arq.count = hw->aq.num_arq_entries;
goto init_adminq_exit;
init_adminq_free_rings:
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
index 929d471..a23ebfd 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
@@ -373,7 +373,6 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw)
hw->aq.asq.next_to_use = 0;
hw->aq.asq.next_to_clean = 0;
- hw->aq.asq.count = hw->aq.num_asq_entries;
/* allocate the ring memory */
ret_code = i40e_alloc_adminq_asq_ring(hw);
@@ -391,6 +390,7 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw)
goto init_adminq_free_rings;
/* success! */
+ hw->aq.asq.count = hw->aq.num_asq_entries;
goto init_adminq_exit;
init_adminq_free_rings:
@@ -432,7 +432,6 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw)
hw->aq.arq.next_to_use = 0;
hw->aq.arq.next_to_clean = 0;
- hw->aq.arq.count = hw->aq.num_arq_entries;
/* allocate the ring memory */
ret_code = i40e_alloc_adminq_arq_ring(hw);
@@ -450,6 +449,7 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw)
goto init_adminq_free_rings;
/* success! */
+ hw->aq.arq.count = hw->aq.num_arq_entries;
goto init_adminq_exit;
init_adminq_free_rings: