Merge branch 'acpi-ec'

[linux-drm-fsl-dcu.git] / tools / perf / util / dso.c

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 45be944d450adfcfaf9c0dff3a0c68296769027a..c2f7d3b90966a66fb5d628e933d92fb83325a582 100644 (file)
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -532,12 +532,8 @@ dso_cache__read(struct dso *dso, u64 offset, u8 *data, ssize_t size)
                        break;
 
                cache_offset = offset & DSO__DATA_CACHE_MASK;
-               ret = -EINVAL;
 
-               if (-1 == lseek(dso->data.fd, cache_offset, SEEK_SET))
-                       break;
-
-               ret = read(dso->data.fd, cache->data, DSO__DATA_CACHE_SIZE);
+               ret = pread(dso->data.fd, cache->data, DSO__DATA_CACHE_SIZE, cache_offset);
                if (ret <= 0)
                        break;