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perf probe: Fix to remove redundant close

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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>
This commit is contained in:
Masami Hiramatsu 2011-03-30 18:25:47 +09:00 committed by Arnaldo Carvalho de Melo
parent 7d21635ac5
commit f0c4801a17
2 changed files with 2 additions and 3 deletions
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3
tools/perf/util/probe-event.c
View File

@ -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;
}

2
tools/perf/util/probe-finder.c
View File

@ -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;
}