+ ipc-sem-remove-redundant-assignments.patch added to -mm tree

+ ipc-sem-remove-redundant-assignments.patch added to -mm tree

[Andrew Morton]

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@gmail.com>
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@gmail.com
Signed-off-by: Michal Orzel <michalorzel.eng@gmail.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- 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@gmail.com are

kexec-remove-redundant-assignments.patch
ipc-sem-remove-redundant-assignments.patch