Subject: re: NFC: Initial LLCP support

From: Dan Carpenter <[email-masked]>
Date: Fri, 16 Dec 2011 23:26:59 +0300

Hello Samuel Ortiz,

This is a semi-automatic email about new static checker warnings.

The patch d646960f7986: "NFC: Initial LLCP support" from Dec 14, 
2011, leads to the following Smatch complaint:

net/nfc/llcp/sock.c +47 llcp_sock_bind()
	 warn: variable dereferenced before check 'addr' (see line 45)

net/nfc/llcp/sock.c
    44	
    45		pr_debug("sk %p addr %p family %d\n", sk, addr, addr->sa_family);
                                                                ^^^^^^^^^^^^^^^
New dereference.

    46	
    47		if (!addr || addr->sa_family != AF_NFC)
                     ^^^^
New check.

    48			return -EINVAL;
    49	

regards,
dan carpenter

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