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Code Issues Releases Activity

fix a bug in the computation of the userspace offset for a give netmap buffer.

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Submitted by: Hugh Nhan
This commit is contained in:
Luigi Rizzo 2013-04-15 11:49:16 +00:00
parent a08f2cf69e
commit aa76317cfc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=249504
1 changed files with 1 additions and 1 deletions
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2
sys/dev/netmap/netmap_mem2.c
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@ -278,7 +278,7 @@ netmap_obj_offset(struct netmap_obj_pool *p, const void *vaddr)
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;