From: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
The unsigned variable datasec_id is assigned a return value from the call
to check_pseudo_btf_id(), which may return negative error code.
Fixes coccicheck warning:
./kernel/bpf/verifier.c:9616:5-15: WARNING: Unsigned expression compared with zero: datasec_id > 0
Reported-by: Tosk Robot <tencent_os_robot@xxxxxxxxxxx>
Signed-off-by: Kaixu Xia <kaixuxia@xxxxxxxxxxx>