If ublk_set_auto_buf_reg() fails, we need to unlock and return,
otherwise `ub->mutex` is leaked.
Fixes: 99c1e4eb6a3f ("ublk: register buffer to local io_uring with provided buf index via UBLK_F_AUTO_BUF_REG")
Reported-by: Caleb Sander Mateos <csander@xxxxxxxxxxxxxxx>
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
drivers/block/ublk_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 69230f4575d4..fcf568b89370 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -2075,7 +2075,7 @@ static int ublk_fetch(struct io_uring_cmd *cmd, struct ublk_queue *ubq,
if (ublk_support_auto_buf_reg(ubq)) {
ret = ublk_set_auto_buf_reg(cmd);
if (ret)
- return ret;
+ goto out;
}
ublk_fill_io_cmd(io, cmd, buf_addr);
--
2.47.0
