[PATCH -next] io_uring: Remove redundant NULL check

From: Li Heng
Date: Wed Jul 22 2020 - 23:17:46 EST


Fix below warnings reported by coccicheck:
./fs/io_uring.c:1544:2-7: WARNING: NULL check before some freeing functions is not needed.
./fs/io_uring.c:3095:2-7: WARNING: NULL check before some freeing functions is not needed.
./fs/io_uring.c:3195:2-7: WARNING: NULL check before some freeing functions is not needed.

Signed-off-by: Li Heng <liheng40@xxxxxxxxxx>
---
fs/io_uring.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 6587935..71ac3f7 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1540,8 +1540,7 @@ static void io_dismantle_req(struct io_kiocb *req)
{
io_clean_op(req);

- if (req->io)
- kfree(req->io);
+ kfree(req->io);
if (req->file)
io_put_file(req, req->file, (req->flags & REQ_F_FIXED_FILE));
io_req_clean_work(req);
@@ -3091,8 +3090,7 @@ static int io_read(struct io_kiocb *req, bool force_nonblock,
}
}
out_free:
- if (iovec)
- kfree(iovec);
+ kfree(iovec);
return ret;
}

@@ -3191,8 +3189,7 @@ static int io_write(struct io_kiocb *req, bool force_nonblock,
}
}
out_free:
- if (iovec)
- kfree(iovec);
+ kfree(iovec);
return ret;
}

--
2.7.4