Date: Sat, 28 Jun 2014 03:59:04 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r267993 - head/sys/kern Message-ID: <201406280359.s5S3x4xV098857@svn.freebsd.org>
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Author: hselasky Date: Sat Jun 28 03:59:04 2014 New Revision: 267993 URL: http://svnweb.freebsd.org/changeset/base/267993 Log: Fix regression issue after r267961. Handle special string case for SYSCTLs like previously. MFC after: 2 weeks Reported by: several people Modified: head/sys/kern/kern_sysctl.c Modified: head/sys/kern/kern_sysctl.c ============================================================================== --- head/sys/kern/kern_sysctl.c Sat Jun 28 03:56:17 2014 (r267992) +++ head/sys/kern/kern_sysctl.c Sat Jun 28 03:59:04 2014 (r267993) @@ -1210,9 +1210,12 @@ sysctl_handle_string(SYSCTL_HANDLER_ARGS size_t outlen; int error = 0; - /* check for zero-length buffer */ + /* + * A zero-length buffer indicates a fixed size read-only + * string: + */ if (arg2 == 0) - return (ENOMEM); + arg2 = strlen((char *)arg1) + 1; if (req->oldptr != NULL) { char *tmparg;
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