If device_add() fails, call only put_device() to decrement reference
count for cleanup. Do not call device_del() before put_device().
As comment of device_add() says, 'if device_add() succeeds, you should
call device_del() when you want to get rid of it. If device_add() has
not succeeded, use only put_device() to drop the reference count'.
Found by code review.
Cc: stable@vger.kernel.org
Fixes: c8e4c2397655 ("RDMA/srp: Rework the srp_add_port() error path")
Signed-off-by: Ma Ke <make_ruc2021@163.com>
---
Changes in v3:
- modified the bug description as suggestions;
- added a blank line to separate the description and the tags.
Changes in v2:
- modified the bug description as suggestions.
---
drivers/infiniband/ulp/srp/ib_srp.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 2916e77f589b..7289ae0b83ac 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -3978,7 +3978,6 @@ static struct srp_host *srp_add_port(struct srp_device *device, u32 port)
return host;
put_host:
- device_del(&host->dev);
put_device(&host->dev);
return NULL;
}
--
2.25.1