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authorIngo Molnar <mingo@elte.hu>2010-10-20 04:38:56 +0200
committerIngo Molnar <mingo@elte.hu>2010-10-20 04:38:59 +0200
commit14d4962dc863ab42e898d66d4837aa6c3afedc3b (patch)
tree780cb53645b781dfd33b6d0ad21e0596f2ad1a1a /kernel/perf_event.c
parent9717967c4b704ce344c954afb5bb160aa9c01c34 (diff)
parent2b666ca4a68cbc22483b0f2e1ba3c0e59b01ae9e (diff)
Merge branch 'linus' into irq/core
Merge reason: update to almost-final-.36 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r--kernel/perf_event.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index db5b56064687..b98bed3d8182 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2202,15 +2202,13 @@ static void perf_event_for_each(struct perf_event *event,
static int perf_event_period(struct perf_event *event, u64 __user *arg)
{
struct perf_event_context *ctx = event->ctx;
- unsigned long size;
int ret = 0;
u64 value;
if (!event->attr.sample_period)
return -EINVAL;
- size = copy_from_user(&value, arg, sizeof(value));
- if (size != sizeof(value))
+ if (copy_from_user(&value, arg, sizeof(value)))
return -EFAULT;
if (!value)