Hi,
Will this patch be applied or rejected?
best regards, Max
On 26.01.2023 16:52, Jan Kara wrote:
On Thu 19-01-23 13:44:43, Maxim Korotkov wrote:
the variable 'history' is of type u16, it may be an error
that the hweight32 macro was used for it
I guess macro hweight16 should be used
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 2a81490811d0 ("writeback: implement foreign cgroup inode detection")
Signed-off-by: Maxim Korotkov <korotkov.maxim.s@xxxxxxxxx>
Looks good to me, although it is mostly a theoretical issue - I don't see
how hweight32 could do any harm here. Anyway, feel free to add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
---
fs/fs-writeback.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 6fba5a52127b..fc16123b2405 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -829,7 +829,7 @@ void wbc_detach_inode(struct writeback_control *wbc)
* is okay. The main goal is avoiding keeping an inode on
* the wrong wb for an extended period of time.
*/
- if (hweight32(history) > WB_FRN_HIST_THR_SLOTS)
+ if (hweight16(history) > WB_FRN_HIST_THR_SLOTS)
inode_switch_wbs(inode, max_id);
}
--
2.37.2
