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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: 6a6d1804a1 ("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>
This commit is contained in:
Jiri Olsa 2021-03-01 13:25:09 +01:00 committed by Arnaldo Carvalho de Melo
parent dacfc08dca
commit 31bf4e7cb6
1 changed files with 2 additions and 2 deletions
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4
tools/perf/builtin-daemon.c
View File

@ -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;
}