diff options
Diffstat (limited to 'sys/kern/subr_mchain.c')
| -rw-r--r-- | sys/kern/subr_mchain.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/sys/kern/subr_mchain.c b/sys/kern/subr_mchain.c index 4f0dab1..dc70af2 100644 --- a/sys/kern/subr_mchain.c +++ b/sys/kern/subr_mchain.c @@ -183,6 +183,7 @@ mb_put_mem(struct mbchain *mbp, c_caddr_t source, int size, int type) caddr_t dst; c_caddr_t src; int cplen, error, mleft, count; + size_t srclen, dstlen; m = mbp->mb_cur; mleft = mbp->mb_mleft; @@ -199,10 +200,13 @@ mb_put_mem(struct mbchain *mbp, c_caddr_t source, int size, int type) continue; } cplen = mleft > size ? size : mleft; + srclen = dstlen = cplen; dst = mtod(m, caddr_t) + m->m_len; switch (type) { case MB_MCUSTOM: - error = mbp->mb_copy(mbp, source, dst, cplen); + srclen = size; + dstlen = mleft; + error = mbp->mb_copy(mbp, source, dst, &srclen, &dstlen); if (error) return error; break; @@ -222,11 +226,11 @@ mb_put_mem(struct mbchain *mbp, c_caddr_t source, int size, int type) bzero(dst, cplen); break; } - size -= cplen; - source += cplen; - m->m_len += cplen; - mleft -= cplen; - mbp->mb_count += cplen; + size -= srclen; + source += srclen; + m->m_len += dstlen; + mleft -= dstlen; + mbp->mb_count += dstlen; } mbp->mb_cur = m; mbp->mb_mleft = mleft; |
