1 files changed, 5 insertions, 0 deletions

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 6200a6fe10e3..f9821a3374e9 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -4338,6 +4338,11 @@ register_ftrace_function_probe(char *glob, struct trace_array *tr,
         old_hash = *orig_hash;
         hash = alloc_and_copy_ftrace_hash(FTRACE_HASH_DEFAULT_BITS, old_hash);
 
+        if (!hash) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
         ret = ftrace_match_records(hash, glob, strlen(glob));
 
         /* Nothing found? */