summaryrefslogtreecommitdiff
path: root/kernel/trace/trace_osnoise.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/trace/trace_osnoise.c')
-rw-r--r--kernel/trace/trace_osnoise.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index fd259da0aa64..337bc0eb5d71 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -2322,6 +2322,9 @@ osnoise_cpus_write(struct file *filp, const char __user *ubuf, size_t count,
int running, err;
char *buf __free(kfree) = NULL;
+ if (count < 1)
+ return 0;
+
buf = kmalloc(count, GFP_KERNEL);
if (!buf)
return -ENOMEM;