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Holger Brunck
496c0c4c53
When the device is removed all allocated resources should be freed.
In uhdlc_memclean the netdev transmit queue was already stopped. But at
this point we may have pending skb in the transmit queue which must be
freed. Therefore iterate over the tx_skbuff pointers and free all
pending skb. The issue was discovered by sashiko.
Tested on a ls1043a board running HDLC in bus mode on kernel 6.12.
https: //sashiko.dev/#/patchset/20260429114208.941011-1-holger.brunck%40hitachienergy.com
Fixes: c19b6d246a ("drivers/net: support hdlc function for QE-UCC")
Signed-off-by: Holger Brunck <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>