From f0c4801a17cb1a762bed39a6a9d5e5be33d8a340 Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Wed, 30 Mar 2011 18:25:47 +0900 Subject: [PATCH] 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 Cc: Ingo Molnar Cc: Lin Ming Cc: Peter Zijlstra LKML-Reference: <20110330092547.2132.93728.stgit@ltc236.sdl.hitachi.co.jp> Signed-off-by: Masami Hiramatsu Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/probe-event.c | 3 --- tools/perf/util/probe-finder.c | 2 ++ 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; }