Commit-ID: 06e0fe2d8e9178bda874a75083bc13647fbf983f Gitweb: https://git.kernel.org/tip/06e0fe2d8e9178bda874a75083bc13647fbf983f Author: WANG Chao <chao.wang () ucloud ! cn> AuthorDate: Thu, 18 Apr 2019 03:41:14 +0000 Committer: Borislav Petkov <[email protected]> CommitDate: Sat, 20 Apr 2019 12:13:13 +0200
RAS/CEC: Increment cec_entered under the mutex lock Modify ->cec_entered in the critical section of the mutex. Signed-off-by: WANG Chao <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: Tony Luck <[email protected]> Cc: linux-edac <[email protected]> Link: https://lkml.kernel.org/r/[email protected] --- drivers/ras/cec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c index 2d9ec378a8bc..88e4f3ff0cb8 100644 --- a/drivers/ras/cec.c +++ b/drivers/ras/cec.c @@ -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));
