Clean up and return -ENOMEM on if the kzalloc() fails.
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 814ff30..a120f98 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2390,6 +2390,9 @@ __tracing_open(struct inode *inode, struct file *file)
iter->buffer_iter = kzalloc(sizeof(*iter->buffer_iter) *
num_possible_cpus(),
GFP_KERNEL);
+ if (!iter->buffer_iter)
+ goto release;
+
/*
* We make a copy of the current tracer to avoid concurrent
* changes on it while we are reading.
@@ -2451,6 +2454,7 @@ __tracing_open(struct inode *inode, struct file *file)
mutex_unlock(&trace_types_lock);
kfree(iter->trace);
kfree(iter->buffer_iter);
+release:
seq_release_private(inode, file);
return ERR_PTR(-ENOMEM);
}
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