iwlwifi: queue: avoid memory leak in reset flow

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In case the device is stopped any usage of hw queues needs to be
reallocated in fw due to fw reset after device stop, so all driver
internal queue should also be freed, and if we don't free the next usage
would leak the old memory and get in recover flows
"iwlwifi 0000:00:03.0: dma_pool_destroy iwlwifi:bc" warning.

Also warn about trying to reuse an internal allocated queue.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210411124417.c72d2f0355c4.Ia3baff633b9b9109f88ab379ef0303aa152c16bf@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

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This commit is contained in:

Mordechay Goodstein 2021-04-11 12:46:22 +03:00 • committed by Luca Coelho

parent 2b84e6328e

commit 4cf2f5904d

3 changed files with 9 additions and 28 deletions

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4

drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c

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30

drivers/net/wireless/intel/iwlwifi/queue/tx.c

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3

drivers/net/wireless/intel/iwlwifi/queue/tx.h

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