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authorIngo Molnar <mingo@kernel.org>2016-02-18 11:28:03 +0300
committerIngo Molnar <mingo@kernel.org>2016-02-18 11:28:03 +0300
commit3a2f2ac9b96f9a9f5538396a212d3b9fb543bfc5 (patch)
tree294c2f340b11584e58cea90adfc4182ac8742348 /kernel/bpf/arraymap.c
parent4e79e182b419172e35936a47f098509092d69817 (diff)
parentf4eafd8bcd5229e998aa252627703b8462c3b90f (diff)
downloadlinux-3a2f2ac9b96f9a9f5538396a212d3b9fb543bfc5.tar.xz
Merge branch 'x86/urgent' into x86/asm, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/bpf/arraymap.c')
-rw-r--r--kernel/bpf/arraymap.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index b0799bced518..89ebbc4d1164 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -291,10 +291,13 @@ static void *perf_event_fd_array_get_ptr(struct bpf_map *map, int fd)
{
struct perf_event *event;
const struct perf_event_attr *attr;
+ struct file *file;
- event = perf_event_get(fd);
- if (IS_ERR(event))
- return event;
+ file = perf_event_get(fd);
+ if (IS_ERR(file))
+ return file;
+
+ event = file->private_data;
attr = perf_event_attrs(event);
if (IS_ERR(attr))
@@ -304,24 +307,22 @@ static void *perf_event_fd_array_get_ptr(struct bpf_map *map, int fd)
goto err;
if (attr->type == PERF_TYPE_RAW)
- return event;
+ return file;
if (attr->type == PERF_TYPE_HARDWARE)
- return event;
+ return file;
if (attr->type == PERF_TYPE_SOFTWARE &&
attr->config == PERF_COUNT_SW_BPF_OUTPUT)
- return event;
+ return file;
err:
- perf_event_release_kernel(event);
+ fput(file);
return ERR_PTR(-EINVAL);
}
static void perf_event_fd_array_put_ptr(void *ptr)
{
- struct perf_event *event = ptr;
-
- perf_event_release_kernel(event);
+ fput((struct file *)ptr);
}
static const struct bpf_map_ops perf_event_array_ops = {