The patch titled
Subject: ipc/sem: Remove redundant assignments
has been added to the -mm tree. Its filename is
ipc-sem-remove-redundant-assignments.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/ipc-sem-remove-redundant-assignments.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/ipc-sem-remove-redundant-assignments.patch
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------------------------------------------------------
From: Michal Orzel <michalorzel.eng@xxxxxxxxx>
Subject: ipc/sem: Remove redundant assignments
Get rid of redundant assignments which end up in values not being
read either because they are overwritten or the function ends.
Reported by clang-tidy [deadcode.DeadStores]
Link: https://lkml.kernel.org/r/20220409101933.207157-1-michalorzel.eng@xxxxxxxxx
Signed-off-by: Michal Orzel <michalorzel.eng@xxxxxxxxx>
Reviewed-by: Tom Rix <trix@xxxxxxxxxx>
Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>
Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/ipc/sem.c~ipc-sem-remove-redundant-assignments
+++ a/ipc/sem.c
@@ -766,7 +766,6 @@ static int perform_atomic_semop(struct s
for (sop = sops; sop < sops + nsops; sop++) {
curr = &sma->sems[sop->sem_num];
sem_op = sop->sem_op;
- result = curr->semval;
if (sop->sem_flg & SEM_UNDO) {
int undo = un->semadj[sop->sem_num] - sem_op;
@@ -1430,7 +1429,6 @@ static int semctl_main(struct ipc_namesp
if (err)
goto out_rcu_wakeup;
- err = -EACCES;
switch (cmd) {
case GETALL:
{
_
Patches currently in -mm which might be from michalorzel.eng@xxxxxxxxx are
kexec-remove-redundant-assignments.patch
ipc-sem-remove-redundant-assignments.patch
