diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2016-03-14 13:11:47 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2016-03-30 16:21:19 +0300 |
| commit | 431469259df6ebc8e022b268bbb2d9bc5562f920 (patch) | |
| tree | d45cdcbc56c21a17a7053dc013e63ba475868980 /drivers/net/wireless/intel/iwlwifi/pcie/rx.c | |
| parent | dedfc0f3dba0713734d42efb8300760b27c5a54a (diff) | |
| download | linux-next-431469259df6ebc8e022b268bbb2d9bc5562f920.tar.gz | |
iwlwifi: pcie: fix global table size
My patch resized the pool size, but neglected to resize
the global table, which is obviously wrong since the global
table maps the pool's rxb to vid one to one. This results
in a panic in 9000 devices.
Add a build bug to avoid such a case in the future.
Fixes: 7b5424361ec9 ("iwlwifi: pcie: fine tune number of rxbs")
Reported-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/rx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 4be3c35afd19..e379dbab685a 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -908,6 +908,8 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) allocator_pool_size = trans->num_rx_queues * (RX_CLAIM_REQ_ALLOC - RX_POST_REQ_ALLOC); num_alloc = queue_size + allocator_pool_size; + BUILD_BUG_ON(ARRAY_SIZE(trans_pcie->global_table) != + ARRAY_SIZE(trans_pcie->rx_pool)); for (i = 0; i < num_alloc; i++) { struct iwl_rx_mem_buffer *rxb = &trans_pcie->rx_pool[i]; |