[PATCH 5.10 0/2] ath9k_htc: fix NULL pointer dereferences at ath9k_htc_rxep() and ath9k_htc_tx_get_packet()

Syzkaller reports NULL pointer dereference issues at ath9k_htc_rxep() and ath9k_htc_tx_get_packet() in 5.10 stable releases. The problems have been fixed by the following patch series which can be cleanly applied to the 5.10 branch.

Found by Linux Verification Center (linuxtesting.org) with Syzkaller.