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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