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Subject[tip:perf/core] perf tools: Use kmod_path__parse in decompress_kmodule
Commit-ID:  914f85c4a2db34429b146a57652d2db24d063379
Gitweb: http://git.kernel.org/tip/914f85c4a2db34429b146a57652d2db24d063379
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Thu, 12 Feb 2015 22:27:50 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 23 Mar 2015 12:37:17 -0300

perf tools: Use kmod_path__parse in decompress_kmodule

Replacing the file name parsing with kmod_path__parse.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-zpyyitlte7lwe2ywi51rj4n5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/symbol-elf.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 62742e4..78ffde9 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -579,32 +579,34 @@ static int dso__swap_init(struct dso *dso, unsigned char eidata)
static int decompress_kmodule(struct dso *dso, const char *name,
enum dso_binary_type type)
{
- int fd;
- const char *ext = strrchr(name, '.');
+ int fd = -1;
char tmpbuf[] = "/tmp/perf-kmod-XXXXXX";
+ struct kmod_path m;

if (type != DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP &&
type != DSO_BINARY_TYPE__GUEST_KMODULE_COMP &&
type != DSO_BINARY_TYPE__BUILD_ID_CACHE)
return -1;

- if (!ext || !is_supported_compression(ext + 1)) {
- ext = strrchr(dso->name, '.');
- if (!ext || !is_supported_compression(ext + 1))
- return -1;
- }
+ if (type == DSO_BINARY_TYPE__BUILD_ID_CACHE)
+ name = dso->long_name;
+
+ if (kmod_path__parse_ext(&m, name) || !m.comp)
+ return -1;

fd = mkstemp(tmpbuf);
if (fd < 0)
- return -1;
+ goto out;

- if (!decompress_to_file(ext + 1, name, fd)) {
+ if (!decompress_to_file(m.ext, name, fd)) {
close(fd);
fd = -1;
}

unlink(tmpbuf);

+out:
+ free(m.ext);
return fd;
}


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