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-rw-r--r--block/blk-cgroup-fc-appid.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-cgroup-fc-appid.c b/block/blk-cgroup-fc-appid.c
index 760a2e1878dd..842e5e1c0f3c 100644
--- a/block/blk-cgroup-fc-appid.c
+++ b/block/blk-cgroup-fc-appid.c
@@ -19,8 +19,8 @@ int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, size_t app_id_len)
return -EINVAL;
cgrp = cgroup_get_from_id(cgrp_id);
- if (!cgrp)
- return -ENOENT;
+ if (IS_ERR(cgrp))
+ return PTR_ERR(cgrp);
css = cgroup_get_e_css(cgrp, &io_cgrp_subsys);
if (!css) {
ret = -ENOENT;