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malloc: Hoist common unlock out of if-else control block 

We currently unlock the arena mutex in arena_get_retry() unconditionally.
Therefore, hoist out the unlock from the if-else control block.

Signed-off-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: DJ Delorie <dj@redhat.com>
This commit is contained in:
Dev Jain 2025-09-15 17:13:29 +05:30 committed by DJ Delorie
parent 855a67c3cc
commit f807e85c31
1 changed files with 1 additions and 2 deletions
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3
malloc/arena.c
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@ -861,15 +861,14 @@ static mstate
arena_get_retry (mstate ar_ptr, size_t bytes) arena_get_retry (mstate ar_ptr, size_t bytes)
{ {
LIBC_PROBE (memory_arena_retry, 2, bytes, ar_ptr); LIBC_PROBE (memory_arena_retry, 2, bytes, ar_ptr);
__libc_lock_unlock (ar_ptr->mutex);
if (ar_ptr != &main_arena) if (ar_ptr != &main_arena)
{ {
__libc_lock_unlock (ar_ptr->mutex);
ar_ptr = &main_arena; ar_ptr = &main_arena;
__libc_lock_lock (ar_ptr->mutex); __libc_lock_lock (ar_ptr->mutex);
} }
else else
{ {
__libc_lock_unlock (ar_ptr->mutex);
ar_ptr = arena_get2 (bytes, ar_ptr); ar_ptr = arena_get2 (bytes, ar_ptr);
} }