atm: clean up vcc_seq_next()
It's confusing to call PTR_ERR(v). The PTR_ERR() function is basically a fancy cast to long so it makes you wonder, was IS_ERR() intended? But that doesn't make sense because vcc_walk() doesn't return error pointers. This patch doesn't affect runtime, it's just a cleanup. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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