Date: Mon, 19 Nov 2012 19:30:30 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r243304 - stable/9/sys/dev/netmap Message-ID: <201211191930.qAJJUUOT028487@svn.freebsd.org>
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Author: emaste Date: Mon Nov 19 19:30:30 2012 New Revision: 243304 URL: http://svnweb.freebsd.org/changeset/base/243304 Log: MFC r241643: Avoid panic when a netmap instance cannot obtain memory. A uint32_t is always >= 0. Sponsored by: ADARA Networks Modified: stable/9/sys/dev/netmap/netmap_mem2.c Directory Properties: stable/9/sys/ (props changed) stable/9/sys/dev/ (props changed) Modified: stable/9/sys/dev/netmap/netmap_mem2.c ============================================================================== --- stable/9/sys/dev/netmap/netmap_mem2.c Mon Nov 19 19:26:59 2012 (r243303) +++ stable/9/sys/dev/netmap/netmap_mem2.c Mon Nov 19 19:30:30 2012 (r243304) @@ -324,7 +324,8 @@ netmap_new_bufs(struct netmap_if *nifp _ return; cleanup: - for (i--; i >= 0; i--) { + while (i > 0) { + i--; netmap_obj_free(nm_mem->nm_buf_pool, slot[i].buf_idx); } }
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