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authorIngo Molnar <mingo@elte.hu>2009-06-06 15:04:17 -0400
committerIngo Molnar <mingo@elte.hu>2009-06-06 15:09:08 -0400
commit8953645fec933f992223286ad407dc371ac2caa5 (patch)
treee2054022b338a4d85a3e3de7a90194b52431ff31 /tools/perf/util
parent7d37a0cbd68c875fa984fa97bcf5c7f4b7950b6d (diff)
perf_counter tools: Fix error condition in parse_aliases()
gcc warned about this bug: util/parse-events.c: In function ‘parse_generic_hw_symbols’: util/parse-events.c:175: warning: comparison is always false due to limited range of data type util/parse-events.c:182: warning: comparison is always false due to limited range of data type util/parse-events.c:190: warning: comparison is always false due to limited range of data type Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/parse-events.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index e0820b4388ae..f18a9a006e1b 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -160,12 +160,12 @@ static int parse_aliases(const char *str, char *names[][MAX_ALIASES], int size)
160 } 160 }
161 } 161 }
162 162
163 return 0; 163 return -1;
164} 164}
165 165
166static int parse_generic_hw_symbols(const char *str, struct perf_counter_attr *attr) 166static int parse_generic_hw_symbols(const char *str, struct perf_counter_attr *attr)
167{ 167{
168 __u8 cache_type = -1, cache_op = 0, cache_result = 0; 168 int cache_type = -1, cache_op = 0, cache_result = 0;
169 169
170 cache_type = parse_aliases(str, hw_cache, PERF_COUNT_HW_CACHE_MAX); 170 cache_type = parse_aliases(str, hw_cache, PERF_COUNT_HW_CACHE_MAX);
171 /* 171 /*
@@ -179,8 +179,8 @@ static int parse_generic_hw_symbols(const char *str, struct perf_counter_attr *a
179 /* 179 /*
180 * Fall back to reads: 180 * Fall back to reads:
181 */ 181 */
182 if (cache_type == -1) 182 if (cache_op == -1)
183 cache_type = PERF_COUNT_HW_CACHE_OP_READ; 183 cache_op = PERF_COUNT_HW_CACHE_OP_READ;
184 184
185 cache_result = parse_aliases(str, hw_cache_result, 185 cache_result = parse_aliases(str, hw_cache_result,
186 PERF_COUNT_HW_CACHE_RESULT_MAX); 186 PERF_COUNT_HW_CACHE_RESULT_MAX);