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 <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 1f9239d27da5d1a5f711d5e78a107c342eca0648..4d668b2ce64d62f4dfe07d873f0684c4cbcf74fa 100644 (file)
--- 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;