RDS: null pointer dereference in rds_atomic_free_op
set rm->atomic.op_active to 0 when rds_pin_pages() fails or the user supplied address is invalid, this prevents a NULL pointer usage in rds_atomic_free_op() Signed-off-by: NMohamed Ghannam <simo.ghannam@gmail.com> Acked-by: NSantosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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