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Merge "smcinvoke : file private data validation which is sent by userspace"

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qctecmdr 2022-06-10 00:20:58 -07:00 committed by Gerrit - the friendly Code Review server
commit b64fdf367a
1 changed files with 2 additions and 4 deletions
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6
drivers/soc/qcom/smcinvoke.c
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@ -617,15 +617,13 @@ static uint16_t get_server_id(int cb_server_fd)
struct smcinvoke_file_data *svr_cxt = NULL;
struct file *tmp_filp = fget(cb_server_fd);
if (!tmp_filp)
if (!tmp_filp || !FILE_IS_REMOTE_OBJ(tmp_filp))
return server_id;
svr_cxt = tmp_filp->private_data;
if (svr_cxt && svr_cxt->context_type == SMCINVOKE_OBJ_TYPE_SERVER)
server_id = svr_cxt->server_id;
if (tmp_filp)
fput(tmp_filp);
fput(tmp_filp);
return server_id;
}