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srsLTE
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Better fix for buffer size issue

This commit is contained in:
Paul Sutton 2018-02-12 12:44:55 +00:00
parent 237770fcc2
commit 59e425608f
1 changed files with 6 additions and 2 deletions
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8
lib/src/upper/rlc_am.cc
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@ -587,7 +587,8 @@ int rlc_am::build_segment(uint8_t *payload, uint32_t nof_bytes, rlc_amd_retx_t r
rrc->get_rb_name(lcid).c_str(), nof_bytes, head_len); rrc->get_rb_name(lcid).c_str(), nof_bytes, head_len);
return 0; return 0;
} }
pdu_space = nof_bytes-head_len-2;
pdu_space = nof_bytes-head_len;
if(pdu_space < (retx.so_end-retx.so_start)) if(pdu_space < (retx.so_end-retx.so_start))
retx.so_end = retx.so_start+pdu_space; retx.so_end = retx.so_start+pdu_space;
@ -603,10 +604,13 @@ int rlc_am::build_segment(uint8_t *payload, uint32_t nof_bytes, rlc_amd_retx_t r
if(lower >= retx.so_end) if(lower >= retx.so_end)
break; break;
if(pdu_space <= 2)
break;
upper += old_header.li[i]; upper += old_header.li[i];
head_len = rlc_am_packed_length(&new_header); head_len = rlc_am_packed_length(&new_header);
pdu_space = nof_bytes-head_len-2; pdu_space = nof_bytes-head_len;
if(pdu_space < (retx.so_end-retx.so_start)) if(pdu_space < (retx.so_end-retx.so_start))
retx.so_end = retx.so_start+pdu_space; retx.so_end = retx.so_start+pdu_space;