Date: Mon, 15 Apr 2013 11:49:17 +0000 (UTC) From: Luigi Rizzo <luigi@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r249504 - head/sys/dev/netmap Message-ID: <201304151149.r3FBnHCO099020@svn.freebsd.org>
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Author: luigi Date: Mon Apr 15 11:49:16 2013 New Revision: 249504 URL: http://svnweb.freebsd.org/changeset/base/249504 Log: fix a bug in the computation of the userspace offset for a give netmap buffer. Submitted by: Hugh Nhan Modified: head/sys/dev/netmap/netmap_mem2.c Modified: head/sys/dev/netmap/netmap_mem2.c ============================================================================== --- head/sys/dev/netmap/netmap_mem2.c Mon Apr 15 07:01:20 2013 (r249503) +++ head/sys/dev/netmap/netmap_mem2.c Mon Apr 15 11:49:16 2013 (r249504) @@ -278,7 +278,7 @@ netmap_obj_offset(struct netmap_obj_pool const char *base = p->lut[i].vaddr; ssize_t relofs = (const char *) vaddr - base; - if (relofs < 0 || relofs > p->_clustsize) + if (relofs < 0 || relofs >= p->_clustsize) continue; ofs = ofs + relofs;
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