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authorRafał Miłecki <rafal@milecki.pl>2021-03-18 09:01:42 +0100
committerDavid S. Miller <davem@davemloft.net>2021-03-18 14:44:05 -0700
commit55cfeb396965c3906a84d09a9c487d065e37773b (patch)
treee72318dec817413f9e0b9b55df20dc8597018c5f /kernel/trace/ring_buffer_benchmark.c
parenta5538a777b73b35750ed1ffff8c1ef539e861624 (diff)
net: dsa: bcm_sf2: add function finding RGMII register
Simple macro like REG_RGMII_CNTRL_P() is insufficient as: 1. It doesn't validate port argument 2. It doesn't support chipsets with non-lineral RGMII regs layout Missing port validation could result in getting register offset from out of array. Random memory -> random offset -> random reads/writes. It affected e.g. BCM4908 for REG_RGMII_CNTRL_P(7). Fixes: a78e86ed586d ("net: dsa: bcm_sf2: Prepare for different register layouts") Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/trace/ring_buffer_benchmark.c')
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