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From: Hao Xu <[email protected]>
To: Jens Axboe <[email protected]>
Cc: [email protected], Pavel Begunkov <[email protected]>,
	Joseph Qi <[email protected]>
Subject: [PATCH] io_uring: fix bug of wrong BUILD_BUG_ON check
Date: Mon,  6 Sep 2021 23:12:08 +0800	[thread overview]
Message-ID: <[email protected]> (raw)

Some check should be large than not equal or large than.

Signed-off-by: Hao Xu <[email protected]>
---
 fs/io_uring.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 2bde732a1183..3a833037af43 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -10637,13 +10637,13 @@ static int __init io_uring_init(void)
 		     sizeof(struct io_uring_rsrc_update2));
 
 	/* ->buf_index is u16 */
-	BUILD_BUG_ON(IORING_MAX_REG_BUFFERS >= (1u << 16));
+	BUILD_BUG_ON(IORING_MAX_REG_BUFFERS > (1u << 16));
 
 	/* should fit into one byte */
-	BUILD_BUG_ON(SQE_VALID_FLAGS >= (1 << 8));
+	BUILD_BUG_ON(SQE_VALID_FLAGS > (1 << 8));
 
 	BUILD_BUG_ON(ARRAY_SIZE(io_op_defs) != IORING_OP_LAST);
-	BUILD_BUG_ON(__REQ_F_LAST_BIT >= 8 * sizeof(int));
+	BUILD_BUG_ON(__REQ_F_LAST_BIT > 8 * sizeof(int));
 
 	req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC |
 				SLAB_ACCOUNT);
-- 
2.24.4


             reply	other threads:[~2021-09-06 15:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-06 15:12 Hao Xu [this message]
2021-09-06 15:22 ` [PATCH] io_uring: fix bug of wrong BUILD_BUG_ON check Pavel Begunkov
2021-09-06 17:03   ` Hao Xu
2021-09-06 19:15     ` Pavel Begunkov
2021-09-07  3:02       ` Hao Xu

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