From 6bc565a99e77c8ced71c1184cebe4dda3bb4fa73 Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Tue, 9 Jul 2024 10:55:04 +0200 Subject: [PATCH] s390/cpum_sf: Define and initialize variable Define and initialize a variable in one place. Remove space between cast and variable. No functional change. Signed-off-by: Thomas Richter Acked-by: Sumanth Korikkar Cc: Heiko Carstens Cc: Vasily Gorbik Cc: Alexander Gordeev Signed-off-by: Vasily Gorbik --- arch/s390/kernel/perf_cpum_sf.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 1f9239d27da5d..4d668b2ce64d6 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1347,7 +1347,7 @@ static void hw_perf_event_update(struct perf_event *event, int flush_all) sdbt = get_next_sdbt(sdbt); /* Update event hardware registers */ - TEAR_REG(hwc) = (unsigned long) sdbt; + TEAR_REG(hwc) = (unsigned long)sdbt; /* Stop processing sample-data if all samples of the current * sample-data-block were flushed even if it was not full. @@ -1943,7 +1943,7 @@ static int cpumsf_pmu_add(struct perf_event *event, int flags) { struct cpu_hw_sf *cpuhw = this_cpu_ptr(&cpu_hw_sf); struct aux_buffer *aux; - int err; + int err = 0; if (cpuhw->flags & PMU_F_IN_USE) return -EAGAIN; @@ -1951,7 +1951,6 @@ static int cpumsf_pmu_add(struct perf_event *event, int flags) if (!SAMPL_DIAG_MODE(&event->hw) && !cpuhw->sfb.sdbt) return -EINVAL; - err = 0; perf_pmu_disable(event->pmu); event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED; -- 2.39.5