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atm: idt77252: fix null-ptr-dereference
authorTong Zhang <ztong0001@gmail.com>
Mon, 8 Mar 2021 03:25:30 +0000 (22:25 -0500)
committerDavid S. Miller <davem@davemloft.net>
Mon, 8 Mar 2021 23:16:30 +0000 (15:16 -0800)
commit4416e98594dc04590ebc498fc4e530009535c511
tree6c24c4f105112d7a2b9105f65204ef22c7f2dd6etree | snapshot
parent3153724fc084d8ef640c611f269ddfb576d1dcb1commit | diff
atm: idt77252: fix null-ptr-dereference

this one is similar to the phy_data allocation fix in uPD98402, the
driver allocate the idt77105_priv and store to dev_data but later
dereference using dev->dev_data, which will cause null-ptr-dereference.

fix this issue by changing dev_data to phy_data so that PRIV(dev) can
work correctly.

Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/atm/idt77105.c diff | blob | history
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