Commit 1f52d7b62285 ("net: wwan: iosm: Enable M.2 7360 WWAN card support") allocated memory for pp_qlt in ipc_mux_init() but did not free it in ipc_mux_deinit(). This results in a memory leak when the driver is unloaded. Free the allocated memory in ipc_mux_deinit() to fix the leak. Fixes: 1f52d7b62285 ("net: wwan: iosm: Enable M.2 7360 WWAN card support") Co-developed-by: Jianhao Xu Signed-off-by: Jianhao Xu Signed-off-by: Zilin Guan --- drivers/net/wwan/iosm/iosm_ipc_mux.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux.c b/drivers/net/wwan/iosm/iosm_ipc_mux.c index fc928b298a98..b846889fcb09 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux.c +++ b/drivers/net/wwan/iosm/iosm_ipc_mux.c @@ -456,6 +456,7 @@ void ipc_mux_deinit(struct iosm_mux *ipc_mux) struct sk_buff_head *free_list; union mux_msg mux_msg; struct sk_buff *skb; + int i; if (!ipc_mux->initialized) return; @@ -479,5 +480,10 @@ void ipc_mux_deinit(struct iosm_mux *ipc_mux) ipc_mux->channel->dl_pipe.is_open = false; } + if (ipc_mux->protocol != MUX_LITE) { + for (i = 0; i < IPC_MEM_MUX_IP_SESSION_ENTRIES; i++) + kfree(ipc_mux->ul_adb.pp_qlt[i]); + } + kfree(ipc_mux); } -- 2.34.1