Date: Thu, 24 May 2012 12:38:25 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: "Alexander V. Chernikov" <melifaro@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r235746 - head/sys/net Message-ID: <4FBE6401.1010009@FreeBSD.org> In-Reply-To: <4FBE1120.8020704@FreeBSD.org> References: <201205212219.q4LMJKR9076035@svn.freebsd.org> <4FBD7E65.1060205@FreeBSD.org> <4FBE1120.8020704@FreeBSD.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 2012-05-24 06:44:48 -0400, Alexander V. Chernikov wrote: > Does the attached patch look ok to you? Generally looks good. Few nits: - --- bpf.c --- 1713: #ifdef BPF_JITTER 1714: bpf_jit_filter *ofunc, *jfunc; 1715: #endif Please add jfunc before ofunc, i.e., style(9). 1743: if (copyin((caddr_t)fp->bf_insns, (caddr_t)fcode, size) != 0 || 1744: (bpf_validate(fcode, (int)flen) == 0)) { 1745: free(fcode, M_BPF); 1746: return (EINVAL); 1747: } Excessive parens @ L1744. 1752: #ifdef BPF_JITTER 1753: if (fp->bf_insns != NULL) 1754: jfunc = bpf_jitter(fcode, flen); 1755: else 1756: jfunc = NULL; /* Make compiler happy */ 1757: #endif Please test 'fcode' instead of 'fp->bf_insns' for consistency. - --- bpf_jitter.c --- 72: #ifdef _KERNEL 73: filter = (struct bpf_jit_filter *)malloc(sizeof(*filter), 74: M_BPFJIT, M_WAITOK); 75: #else This change is bogus because bpf_jit_compile() does more malloc(9) calls with M_NOWAIT, bpf_jitter() failures are not fatal (i.e., all consumers fall back to bpf_filter(9)), all consumers (e.g., ng_bpf.c) assume M_NOWAIT, etc, etc... Please note I haven't looked at other locking changes. Thanks, Jung-uk Kim -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk++ZAAACgkQmlay1b9qnVObOgCfZmKOtPC8BhsnUK4I9LC5fW53 ePwAnipYRZFYNSi/5KFs2J3+L62zUMId =CASZ -----END PGP SIGNATURE-----
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