Date: Wed, 12 Mar 2014 16:38:56 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r263095 - head/sys/vm Message-ID: <201403121638.s2CGcu25091517@svn.freebsd.org>
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Author: kib Date: Wed Mar 12 16:38:55 2014 New Revision: 263095 URL: http://svnweb.freebsd.org/changeset/base/263095 Log: Initialize paddr to handle the case of zero size. Reported and reviewed by: Conrad Meyer <cemeyer@uw.edu> MFC after: 1 week Modified: head/sys/vm/device_pager.c Modified: head/sys/vm/device_pager.c ============================================================================== --- head/sys/vm/device_pager.c Wed Mar 12 15:30:40 2014 (r263094) +++ head/sys/vm/device_pager.c Wed Mar 12 16:38:55 2014 (r263095) @@ -414,6 +414,7 @@ old_dev_pager_ctor(void *handle, vm_ooff * XXX assumes VM_PROT_* == PROT_* */ npages = OFF_TO_IDX(size); + paddr = 0; /* Make paddr initialized for the case of size == 0. */ for (off = foff; npages--; off += PAGE_SIZE) { if (csw->d_mmap(dev, off, &paddr, (int)prot, &dummy) != 0) { dev_relthread(dev, ref);
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