net: liquidio: fix BAR resource leak on PF number failure

net: liquidio: fix BAR resource leak on PF number failure

If cn23xx_get_pf_num() fails, the function returns without
unmapping either BAR. Unmap both BARs before returning from
the error path.

Found by manual code review.

Fixes: 0c45d7fe12c7 ("liquidio: fix use of pf in pass-through mode in a virtual machine")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com>
Link: https://patch.msgid.link/20260624064013.2809570-1-haoxiang_li2024@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>