Commit 8bb30798 authored by Jiapeng Chong's avatar Jiapeng Chong Committed by Tejun Heo

sched_ext: Fixes incorrect type in bpf_scx_init()

The type_id is defined as u32type, if(type_id<0) is invalid, hence
modified its type to s32.

./kernel/sched/ext.c:4958:5-12: WARNING: Unsigned expression compared with zero: type_id < 0.
Reported-by: default avatarAbaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9523Signed-off-by: default avatarJiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 1edab907
......@@ -5057,7 +5057,7 @@ static void bpf_scx_unreg(void *kdata, struct bpf_link *link)
static int bpf_scx_init(struct btf *btf)
{
u32 type_id;
s32 type_id;
type_id = btf_find_by_name_kind(btf, "task_struct", BTF_KIND_STRUCT);
if (type_id < 0)
......
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