Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes

v6.10-rc1 is released, forward from v6.9

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

1 files changed, 9 insertions, 27 deletions

diff --git a/tools/testing/selftests/bpf/prog_tests/trace_printk.c b/tools/testing/selftests/bpf/prog_tests/trace_printk.c
index 7b9124d506a5..e56e88596d64 100644
--- a/tools/testing/selftests/bpf/prog_tests/trace_printk.c
+++ b/tools/testing/selftests/bpf/prog_tests/trace_printk.c
@@ -5,18 +5,19 @@
 
 #include "trace_printk.lskel.h"
 
-#define TRACEFS_PIPE	"/sys/kernel/tracing/trace_pipe"
-#define DEBUGFS_PIPE	"/sys/kernel/debug/tracing/trace_pipe"
 #define SEARCHMSG	"testing,testing"
 
+static void trace_pipe_cb(const char *str, void *data)
+{
+	if (strstr(str, SEARCHMSG) != NULL)
+		(*(int *)data)++;
+}
+
 void serial_test_trace_printk(void)
 {
 	struct trace_printk_lskel__bss *bss;
-	int err = 0, iter = 0, found = 0;
 	struct trace_printk_lskel *skel;
-	char *buf = NULL;
-	FILE *fp = NULL;
-	size_t buflen;
+	int err = 0, found = 0;
 
 	skel = trace_printk_lskel__open();
 	if (!ASSERT_OK_PTR(skel, "trace_printk__open"))
@@ -35,16 +36,6 @@ void serial_test_trace_printk(void)
 	if (!ASSERT_OK(err, "trace_printk__attach"))
 		goto cleanup;
 
-	if (access(TRACEFS_PIPE, F_OK) == 0)
-		fp = fopen(TRACEFS_PIPE, "r");
-	else
-		fp = fopen(DEBUGFS_PIPE, "r");
-	if (!ASSERT_OK_PTR(fp, "fopen(TRACE_PIPE)"))
-		goto cleanup;
-
-	/* We do not want to wait forever if this test fails... */
-	fcntl(fileno(fp), F_SETFL, O_NONBLOCK);
-
 	/* wait for tracepoint to trigger */
 	usleep(1);
 	trace_printk_lskel__detach(skel);
@@ -56,21 +47,12 @@ void serial_test_trace_printk(void)
 		goto cleanup;
 
 	/* verify our search string is in the trace buffer */
-	while (getline(&buf, &buflen, fp) >= 0 || errno == EAGAIN) {
-		if (strstr(buf, SEARCHMSG) != NULL)
-			found++;
-		if (found == bss->trace_printk_ran)
-			break;
-		if (++iter > 1000)
-			break;
-	}
+	ASSERT_OK(read_trace_pipe_iter(trace_pipe_cb, &found, 1000),
+		 "read_trace_pipe_iter");
 
 	if (!ASSERT_EQ(found, bss->trace_printk_ran, "found"))
 		goto cleanup;
 
 cleanup:
 	trace_printk_lskel__destroy(skel);
-	free(buf);
-	if (fp)
-		fclose(fp);
 }