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authorArnaldo Carvalho de Melo <[email protected]>2020-03-04 13:29:19 +0000
committerArnaldo Carvalho de Melo <[email protected]>2020-03-04 13:29:19 +0000
commitd46eec8e975a8180e178e01ba505801c44bc9a6c (patch)
treebff067e554fc03c576e107297085d30c8e381370 /tools/perf/util/env.c
parentperf/x86: Add Intel Tiger Lake uncore support (diff)
parentperf diff: Fix undefined string comparison spotted by clang's -Wstring-compare (diff)
downloadkernel-d46eec8e975a8180e178e01ba505801c44bc9a6c.tar.gz
kernel-d46eec8e975a8180e178e01ba505801c44bc9a6c.zip
Merge remote-tracking branch 'acme/perf/urgent' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/env.c')
-rw-r--r--tools/perf/util/env.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 6242a9215df7..4154f944f474 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -343,11 +343,11 @@ static const char *normalize_arch(char *arch)
const char *perf_env__arch(struct perf_env *env)
{
- struct utsname uts;
char *arch_name;
if (!env || !env->arch) { /* Assume local operation */
- if (uname(&uts) < 0)
+ static struct utsname uts = { .machine[0] = '\0', };
+ if (uts.machine[0] == '\0' && uname(&uts) < 0)
return NULL;
arch_name = uts.machine;
} else