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futex/requeue: Remove unnecessary ‘NULL’ initialization from futex_proxy_trylock_atomic()

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'top_waiter' is assigned unconditionally before first use,
so it does not need an initialization.

[ mingo: Created legible changelog. ]

Signed-off-by: Li zeming <zeming@nfschina.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230725195047.3106-1-zeming@nfschina.com
This commit is contained in:
Li zeming 2023-07-26 03:50:47 +08:00 committed by Ingo Molnar
parent 5e0eb67974
commit 01a99a750a
1 changed files with 1 additions and 1 deletions
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kernel/futex/requeue.c
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@ -269,7 +269,7 @@ futex_proxy_trylock_atomic(u32 __user *pifutex, struct futex_hash_bucket *hb1,
union futex_key *key2, struct futex_pi_state **ps,
struct task_struct **exiting, int set_waiters)
{
struct futex_q *top_waiter = NULL;
struct futex_q *top_waiter;
u32 curval;
int ret;