X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=tools%2Fperf%2Futil%2Fprobe-file.c;h=9c3b9ed5b3c3ec68ee175b6bec91d1c90211798b;hb=09cb5b78af52208afb9f1b194c8a9154df4a4782;hp=9aed9c332da656c69d91693e531df87fb03007b1;hpb=0cda611386b2fcbf8bb32e9a5d82bfed4856fc36;p=linux-2.6-block.git

diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index 9aed9c332da6..9c3b9ed5b3c3 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -133,7 +133,7 @@ int probe_file__open_both(int *kfd, int *ufd, int flag)
 /* Get raw string list of current kprobe_events  or uprobe_events */
 struct strlist *probe_file__get_rawlist(int fd)
 {
-	int ret, idx;
+	int ret, idx, fddup;
 	FILE *fp;
 	char buf[MAX_CMDLEN];
 	char *p;
@@ -143,8 +143,17 @@ struct strlist *probe_file__get_rawlist(int fd)
 		return NULL;
 
 	sl = strlist__new(NULL, NULL);
+	if (sl == NULL)
+		return NULL;
+
+	fddup = dup(fd);
+	if (fddup < 0)
+		goto out_free_sl;
+
+	fp = fdopen(fddup, "r");
+	if (!fp)
+		goto out_close_fddup;
 
-	fp = fdopen(dup(fd), "r");
 	while (!feof(fp)) {
 		p = fgets(buf, MAX_CMDLEN, fp);
 		if (!p)
@@ -156,13 +165,21 @@ struct strlist *probe_file__get_rawlist(int fd)
 		ret = strlist__add(sl, buf);
 		if (ret < 0) {
 			pr_debug("strlist__add failed (%d)\n", ret);
-			strlist__delete(sl);
-			return NULL;
+			goto out_close_fp;
 		}
 	}
 	fclose(fp);
 
 	return sl;
+
+out_close_fp:
+	fclose(fp);
+	goto out_free_sl;
+out_close_fddup:
+	close(fddup);
+out_free_sl:
+	strlist__delete(sl);
+	return NULL;
 }
 
 static struct strlist *__probe_file__get_namelist(int fd, bool include_group)
@@ -447,12 +464,17 @@ static int probe_cache__load(struct probe_cache *pcache)
 {
 	struct probe_cache_entry *entry = NULL;
 	char buf[MAX_CMDLEN], *p;
-	int ret = 0;
+	int ret = 0, fddup;
 	FILE *fp;
 
-	fp = fdopen(dup(pcache->fd), "r");
-	if (!fp)
+	fddup = dup(pcache->fd);
+	if (fddup < 0)
+		return -errno;
+	fp = fdopen(fddup, "r");
+	if (!fp) {
+		close(fddup);
 		return -EINVAL;
+	}
 
 	while (!feof(fp)) {
 		if (!fgets(buf, MAX_CMDLEN, fp))