net: bcmasp: fix memory leak when bringing down interface

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When bringing down the TX rings we flush the rings but forget to
reclaimed the flushed packets. This leads to a memory leak since we
do not free the dma mapped buffers. This also leads to tx control
block corruption when bringing down the interface for power
management.

Fixes: 490cb41200 ("net: bcmasp: Add support for ASP2.0 Ethernet controller")
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240418180541.2271719-1-justin.chen@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Justin Chen 2024-04-18 11:05:41 -07:00 • committed by Jakub Kicinski

parent 680d11f6e5

commit 9f898fc2c3

1 changed files with 14 additions and 7 deletions

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drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c

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