Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 2/5] perf probe: Fix to remove redundant close | Date | Wed, 6 Apr 2011 08:00:20 -0300 |
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From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
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> --- 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 5ddee66..a372d74 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 3bcd140..5473f11 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; } -- 1.6.2.5
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