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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2011-03-30 18:25:47 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-04-05 15:35:16 -0300
commitf0c4801a17cb1a762bed39a6a9d5e5be33d8a340 (patch)
tree3a3d7e446748c4367d21cbddb9ce31f509d4993c /tools
parent7d21635ac5c78abe162fb3f56b37c30bcbfa019f (diff)
perf probe: Fix to remove redundant close
Since dwfl_end() closes given fd with dwfl, caller doesn't need to close its fd when finishing process. Cc: 2nddept-manager@sdl.hitachi.co.jp Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Lin Ming <ming.m.lin@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <20110330092547.2132.93728.stgit@ltc236.sdl.hitachi.co.jp> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/probe-event.c3
-rw-r--r--tools/perf/util/probe-finder.c2
2 files changed, 2 insertions, 3 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 5ddee66020a7..a372d748644b 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -234,7 +234,6 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
/* Searching trace events corresponding to probe event */
ntevs = find_probe_trace_events(fd, pev, tevs, max_tevs);
- close(fd);
if (ntevs > 0) { /* Succeeded to find trace events */
pr_debug("find %d probe_trace_events.\n", ntevs);
@@ -388,7 +387,6 @@ int show_line_range(struct line_range *lr, const char *module)
}
ret = find_line_range(fd, lr);
- close(fd);
if (ret == 0) {
pr_warning("Specified source line is not found.\n");
return -ENOENT;
@@ -524,7 +522,6 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs,
ret = show_available_vars_at(fd, &pevs[i], max_vls, _filter,
externs);
- close(fd);
return ret;
}
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 3bcd140b4545..5473f11a9bc8 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -1455,6 +1455,7 @@ static int find_probes(int fd, struct probe_finder *pf)
if (!dbg) {
pr_warning("No debug information found in the vmlinux - "
"please rebuild with CONFIG_DEBUG_INFO=y.\n");
+ close(fd); /* Without dwfl_end(), fd isn't closed. */
return -EBADF;
}
@@ -1900,6 +1901,7 @@ int find_line_range(int fd, struct line_range *lr)
if (!dbg) {
pr_warning("No debug information found in the vmlinux - "
"please rebuild with CONFIG_DEBUG_INFO=y.\n");
+ close(fd); /* Without dwfl_end(), fd isn't closed. */
return -EBADF;
}

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