redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

RAS/CEC: Increment cec_entered under the mutex lock 

Modify ->cec_entered in the critical section of the mutex.

Signed-off-by: WANG Chao <chao.wang@ucloud.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: https://lkml.kernel.org/r/20190418034115.75954-2-chao.wang@ucloud.cn
hifive-unleashed-5.2
WANG Chao 2019-04-18 03:41:14 +00:00 committed by Borislav Petkov
parent 28156d7678
commit 09cbd2197e
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/ras/cec.c
View File

@ -286,10 +286,10 @@ int cec_add_elem(u64 pfn)
if (!ce_arr.array || ce_arr.disabled)
return -ENODEV;
ca->ces_entered++;
mutex_lock(&ce_mutex);
ca->ces_entered++;
if (ca->n == MAX_ELEMS)
WARN_ON(!del_lru_elem_unlocked(ca));