Re: [PATCH 01/12] badblocks: Fix error shitf ops

From: Yu Kuai
Date: Fri Feb 21 2025 - 04:08:59 EST


在 2025/02/21 16:10, Zheng Qixing 写道:
From: Li Nan <linan122@xxxxxxxxxx>

'bb->shift' is used directly in badblocks. It is wrong, fix it.

Fixes: 3ea3354cb9f0 ("badblocks: improve badblocks_check() for multiple ranges handling")
Signed-off-by: Li Nan <linan122@xxxxxxxxxx>
---
block/badblocks.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

LGTM
Reviewed-by: Yu Kuai <yukuai3@xxxxxxxxxx>

diff --git a/block/badblocks.c b/block/badblocks.c
index db4ec8b9b2a8..bcee057efc47 100644
--- a/block/badblocks.c
+++ b/block/badblocks.c
@@ -880,8 +880,8 @@ static int _badblocks_set(struct badblocks *bb, sector_t s, int sectors,
/* round the start down, and the end up */
sector_t next = s + sectors;
- rounddown(s, bb->shift);
- roundup(next, bb->shift);
+ rounddown(s, 1 << bb->shift);
+ roundup(next, 1 << bb->shift);
sectors = next - s;
}
@@ -1157,8 +1157,8 @@ static int _badblocks_clear(struct badblocks *bb, sector_t s, int sectors)
* isn't than to think a block is not bad when it is.
*/
target = s + sectors;
- roundup(s, bb->shift);
- rounddown(target, bb->shift);
+ roundup(s, 1 << bb->shift);
+ rounddown(target, 1 << bb->shift);
sectors = target - s;
}
@@ -1288,8 +1288,8 @@ static int _badblocks_check(struct badblocks *bb, sector_t s, int sectors,
/* round the start down, and the end up */
target = s + sectors;
- rounddown(s, bb->shift);
- roundup(target, bb->shift);
+ rounddown(s, 1 << bb->shift);
+ roundup(target, 1 << bb->shift);
sectors = target - s;
}