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authorJiri Olsa <jolsa@kernel.org>2021-03-01 13:25:09 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-03-06 20:54:26 +0100
commit31bf4e7cb61363b87f1606ec8efb71eebd6393cf (patch)
tree34f9c5a085430d8aed5c46f393a77915925e0ca1
parentperf build: Fix ccache usage in $(CC) when generating arch errno table (diff)
downloadlinux-31bf4e7cb61363b87f1606ec8efb71eebd6393cf.tar.xz
linux-31bf4e7cb61363b87f1606ec8efb71eebd6393cf.zip
perf daemon: Fix control fifo permissions
Add proper mode for mkfifo calls to get read and write permissions for user. We can't use O_RDWR in here, changing to standard permission value. Fixes: 6a6d1804a190 ("perf daemon: Set control fifo for session") Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: John Garry <john.garry@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210301122510.64402-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/builtin-daemon.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-daemon.c b/tools/perf/builtin-daemon.c
index 617feaf020f6..8f0ed2e59280 100644
--- a/tools/perf/builtin-daemon.c
+++ b/tools/perf/builtin-daemon.c
@@ -373,12 +373,12 @@ static int daemon_session__run(struct daemon_session *session,
dup2(fd, 2);
close(fd);
- if (mkfifo(SESSION_CONTROL, O_RDWR) && errno != EEXIST) {
+ if (mkfifo(SESSION_CONTROL, 0600) && errno != EEXIST) {
perror("failed: create control fifo");
return -1;
}
- if (mkfifo(SESSION_ACK, O_RDWR) && errno != EEXIST) {
+ if (mkfifo(SESSION_ACK, 0600) && errno != EEXIST) {
perror("failed: create ack fifo");
return -1;
}