* [bug report] Bluetooth: mgmt: Introduce mgmt_alloc_skb and mgmt_send_event_skb
@ 2021-12-09 15:08 Dan Carpenter
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From: Dan Carpenter @ 2021-12-09 15:08 UTC (permalink / raw)
To: luiz.von.dentz; +Cc: linux-bluetooth
Hello Luiz Augusto von Dentz,
This is a semi-automatic email about new static checker warnings.
The patch 8aca46f91c42: "Bluetooth: mgmt: Introduce mgmt_alloc_skb
and mgmt_send_event_skb" from Dec 3, 2021, leads to the following
Smatch complaint:
net/bluetooth/mgmt_util.c:82 mgmt_send_event_skb()
warn: variable dereferenced before check 'skb' (see line 80)
net/bluetooth/mgmt_util.c
79 struct mgmt_hdr *hdr;
80 int len = skb->len;
^^^^^^^^^
Dereference
81
82 if (!skb)
^^^^
Too late
83 return -EINVAL;
84
regards,
dan carpenter
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2021-12-09 15:08 [bug report] Bluetooth: mgmt: Introduce mgmt_alloc_skb and mgmt_send_event_skb Dan Carpenter
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