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Date: Thu, 18 Feb 2016 15:00:04 -0500 (EST) From: David Miller <davem@...emloft.net> To: a.s.protopopov@...il.com Cc: isdn@...ux-pingi.de, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] mISDN: prevent possible NULL pointer dereference From: Anton Protopopov <a.s.protopopov@...il.com> Date: Wed, 17 Feb 2016 11:19:56 -0500 > A return value of the bchannel_get_rxbuf() function is compared with the > positive ENOMEM value instead of the negative -ENOMEM value to detect a > memory allocation problem. Thus, after a possible memory allocation > failure the bc->bch.rx_skb will be NULL which will lead to a NULL > pointer dereference. > > Signed-off-by: Anton Protopopov <a.s.protopopov@...il.com> Applied.
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