The doorbell register is mapped using mmap() and offset
must have off_t instead of unsigned int. Bug is not critical
due to only least significant bits of offset are currently
tested to determine mapping mode.
Fixes: 8409a28573d3 ("net/mlx5: control transmit doorbell register mapping")
Cc: stable@dpdk.org
Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>