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Merge pull request #11164 from miri64/gnrc_sixlowpan_iphc/fix/check-NULL-ptr-for-compressible

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gnrc_sixlowpan_iphc: check ptr != NULL in compressible check
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Martine Lenders 2019-03-26 17:49:10 +01:00 committed by GitHub
commit 116642f1de
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1 changed files with 1 additions and 1 deletions
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sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c
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@ -673,7 +673,7 @@ void gnrc_sixlowpan_iphc_send(gnrc_pktsnip_t *pkt, void *ctx, unsigned page)
dispatch = NULL; /* use dispatch as temporary pointer for prev */
/* determine maximum dispatch size and write protect all headers until
* then because they will be removed */
while (_compressible(ptr)) {
while ((ptr != NULL) && _compressible(ptr)) {
gnrc_pktsnip_t *tmp = gnrc_pktbuf_start_write(ptr);
if (tmp == NULL) {