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-rw-r--r--tools/perf/util/debugfs.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/tools/perf/util/debugfs.c b/tools/perf/util/debugfs.c
index dd8b19319c03..e55495c7823a 100644
--- a/tools/perf/util/debugfs.c
+++ b/tools/perf/util/debugfs.c
@@ -5,7 +5,6 @@
#include <linux/kernel.h>
#include <sys/mount.h>
-static int debugfs_premounted;
char debugfs_mountpoint[PATH_MAX + 1] = "/sys/kernel/debug";
char tracing_events_path[PATH_MAX + 1] = "/sys/kernel/debug/tracing/events";
@@ -15,7 +14,7 @@ static const char *debugfs_known_mountpoints[] = {
0,
};
-static int debugfs_found;
+static bool debugfs_found;
/* find the path to the mounted debugfs */
const char *debugfs_find_mountpoint(void)
@@ -30,7 +29,7 @@ const char *debugfs_find_mountpoint(void)
ptr = debugfs_known_mountpoints;
while (*ptr) {
if (debugfs_valid_mountpoint(*ptr) == 0) {
- debugfs_found = 1;
+ debugfs_found = true;
strcpy(debugfs_mountpoint, *ptr);
return debugfs_mountpoint;
}
@@ -52,7 +51,7 @@ const char *debugfs_find_mountpoint(void)
if (strcmp(type, "debugfs") != 0)
return NULL;
- debugfs_found = 1;
+ debugfs_found = true;
return debugfs_mountpoint;
}
@@ -82,10 +81,8 @@ static void debugfs_set_tracing_events_path(const char *mountpoint)
char *debugfs_mount(const char *mountpoint)
{
/* see if it's already mounted */
- if (debugfs_find_mountpoint()) {
- debugfs_premounted = 1;
+ if (debugfs_find_mountpoint())
goto out;
- }
/* if not mounted and no argument */
if (mountpoint == NULL) {
@@ -100,7 +97,7 @@ char *debugfs_mount(const char *mountpoint)
return NULL;
/* save the mountpoint */
- debugfs_found = 1;
+ debugfs_found = true;
strncpy(debugfs_mountpoint, mountpoint, sizeof(debugfs_mountpoint));
out:
debugfs_set_tracing_events_path(debugfs_mountpoint);