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| author | Florian Fainelli <florian.fainelli@broadcom.com> | 2024-02-13 09:33:39 -0800 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-02-15 13:27:29 +0100 |
| commit | e5b2e810daf9f2d87fe132eb4d2a85fb08a0db98 (patch) | |
| tree | bd6f2f7126d2379aa136fe2d8fed06468d1202cf /drivers/spmi | |
| parent | d74b23d0c29cb3498642e8673c51e5978ce03496 (diff) | |
| download | linux-stable-e5b2e810daf9f2d87fe132eb4d2a85fb08a0db98.tar.gz linux-stable-e5b2e810daf9f2d87fe132eb4d2a85fb08a0db98.tar.bz2 linux-stable-e5b2e810daf9f2d87fe132eb4d2a85fb08a0db98.zip | |
net: bcmasp: Handle RX buffer allocation failure
The buffer_pg variable needs to hold an order-5 allocation (32 x
PAGE_SIZE) which, under memory pressure may fail to be allocated. Deal
with that error condition properly to avoid doing a NULL pointer
de-reference in the subsequent call to dma_map_page().
In addition, the err_reclaim_tx error label in bcmasp_netif_init() needs
to ensure that the TX NAPI object is properly deleted, otherwise
unregister_netdev() will spin forever attempting to test and clear
the NAPI_STATE_HASHED bit.
Fixes: 490cb412007d ("net: bcmasp: Add support for ASP2.0 Ethernet controller")
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Justin Chen <justin.chen@broadcom.com>
Link: https://lore.kernel.org/r/20240213173339.3438713-1-florian.fainelli@broadcom.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/spmi')
0 files changed, 0 insertions, 0 deletions