From ac0e541ab2f2951845acee784ef487be40fb4c77 Mon Sep 17 00:00:00 2001 From: Alexei Avshalom Lazar Date: Wed, 31 Oct 2018 10:52:17 +0200 Subject: [PATCH] wil6210: add general initialization/size checks Initialize unset variable, and verify that mid is valid. Signed-off-by: Alexei Avshalom Lazar Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 2 ++ drivers/net/wireless/ath/wil6210/wmi.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index aa50813a0595..099a04b91551 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -962,6 +962,8 @@ static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf, int rc; void *frame; + memset(¶ms, 0, sizeof(params)); + if (!len) return -EINVAL; diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index fa08a9637f44..f46c703ca570 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -3148,7 +3148,7 @@ static void wmi_event_handle(struct wil6210_priv *wil, if (mid == MID_BROADCAST) mid = 0; - if (mid >= wil->max_vifs) { + if (mid >= ARRAY_SIZE(wil->vifs) || mid >= wil->max_vifs) { wil_dbg_wmi(wil, "invalid mid %d, event skipped\n", mid); return; -- 2.30.2