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authorDan Carpenter <dan.carpenter@oracle.com>2017-05-22 12:03:49 +0300
committerIngo Molnar <mingo@kernel.org>2017-05-23 09:50:05 +0200
commit85c617abc786d7da9e95c0b4174159864dd3f85c (patch)
tree05407fe86516a3ea9c017f591703ae7df6e63daf /kernel/events
parent6089327f5424f227bb6a8cf92363c2617e054453 (diff)
downloadop-kernel-dev-85c617abc786d7da9e95c0b4174159864dd3f85c.zip
op-kernel-dev-85c617abc786d7da9e95c0b4174159864dd3f85c.tar.gz
perf/core: Remove some dead code
perf_init_event() can't return NULL. If it did, the error handling is incomplete and we would crash. I have removed this confusing dead code. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Link: http://lkml.kernel.org/r/20170522090348.5g7yyld5en3yeky4@mwanda Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 6e75a5c..0028efa 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -9172,7 +9172,7 @@ static int perf_try_init_event(struct pmu *pmu, struct perf_event *event)
static struct pmu *perf_init_event(struct perf_event *event)
{
- struct pmu *pmu = NULL;
+ struct pmu *pmu;
int idx;
int ret;
@@ -9456,9 +9456,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
}
pmu = perf_init_event(event);
- if (!pmu)
- goto err_ns;
- else if (IS_ERR(pmu)) {
+ if (IS_ERR(pmu)) {
err = PTR_ERR(pmu);
goto err_ns;
}
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