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(parent: 3edbc7d) | patch
iwlwifi: pcie: don't use vid 0
authorSara Sharon <sara.sharon@intel.com>
Tue, 21 Jun 2016 08:13:47 +0000 (11:13 +0300)
committerLuca Coelho <luciano.coelho@intel.com>
Wed, 6 Jul 2016 06:59:28 +0000 (09:59 +0300)
commite25d65f2670adfcbb019f7fee4302a60333f913a
treeea4ca01d69b7e3b403cf88be0be36f3c6d23c9c0tree | snapshot
parent3edbc7dabab8ce85aa75c5e290ecda7a3692ebc9commit | diff
iwlwifi: pcie: don't use vid 0

In cases of hardware or DMA error, the vid read from
a zeroed location will be 0, and we will access the rxb
at index 0 in the global table, while it may be NULL or
owned by hardware.
Invalidate vid 0 in order to detect the situation and
bail out.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
drivers/net/wireless/intel/iwlwifi/pcie/rx.c diff | blob | history
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