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(parent: b641c72) | patch
usbnet: ipheth: fix potential null pointer dereference in ipheth_carrier_set
authorGustavo A. R. Silva <garsilva@embeddedor.com>
Fri, 17 Nov 2017 20:02:09 +0000 (14:02 -0600)
committerDavid S. Miller <davem@davemloft.net>
Sun, 19 Nov 2017 03:23:57 +0000 (12:23 +0900)
commitbed077e429a8908e6dc3d4b862a692316138675e
tree965c9f92f32d6d69c92e60e1289f0274cbc1085btree | snapshot
parentb641c72e62c378f1c492a538773afdaf2b797740commit | diff
usbnet: ipheth: fix potential null pointer dereference in ipheth_carrier_set

_dev_ is being dereferenced before it is null checked, hence there
is a potential null pointer dereference.

Fix this by moving the pointer dereference after _dev_ has been null
checked.

Addresses-Coverity-ID: 1462020
Fixes: b27cb452a01e ("usbnet: ipheth: prevent TX queue timeouts when device not ready")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/usb/ipheth.c diff | blob | history
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