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Alexey Khoroshilov authored
If via_ircc_open() fails, data structures of the driver left uninitialized, but probe (via_init_one()) returns zero. That can lead to null pointer dereference in via_remove_one(), since it does not check drvdata for NULL. The patch implements proper error code propagation. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by:
Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by:
David S. Miller <davem@davemloft.net>
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