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driver: soc: xilinx: fix memory leak in xlnx_add_cb_for_notify_event()

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The kfree() should be called when memory fails to be allocated for
cb_data in xlnx_add_cb_for_notify_event(), otherwise there will be
a memory leak, so add kfree() to fix it.

Fixes: 05e5ba40ea ("driver: soc: xilinx: Add support of multiple callbacks for same event in event management driver")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20221129010146.1026685-1-cuigaosheng1@huawei.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Gaosheng Cui 2022-11-29 09:01:46 +08:00 committed by Michal Simek
parent 1b929c02af
commit 1bea534991
1 changed files with 3 additions and 1 deletions
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4
drivers/soc/xilinx/xlnx_event_manager.c
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@ -116,8 +116,10 @@ static int xlnx_add_cb_for_notify_event(const u32 node_id, const u32 event, cons
INIT_LIST_HEAD(&eve_data->cb_list_head);
cb_data = kmalloc(sizeof(*cb_data), GFP_KERNEL);
if (!cb_data)
if (!cb_data) {
kfree(eve_data);
return -ENOMEM;
}
cb_data->eve_cb = cb_fun;
cb_data->agent_data = data;