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>
---

 ipc/sem.c |    2 --
 1 file changed, 2 deletions(-)

--- 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:
 	{
_