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Merge pull request #10786 from kaspar030/fix_pktbuf_empty_memcpy

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gnrc/pktbuf: avoid memcpy if size <= 0
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Kaspar Schleiser 2019-01-16 18:34:23 +01:00 committed by GitHub
commit c0785df050
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 3 deletions
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4
sys/net/gnrc/pktbuf_static/gnrc_pktbuf_static.c
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@ -380,11 +380,11 @@ static gnrc_pktsnip_t *_create_snip(gnrc_pktsnip_t *next, const void *data, size
_pktbuf_free(pkt, sizeof(gnrc_pktsnip_t)); _pktbuf_free(pkt, sizeof(gnrc_pktsnip_t));
return NULL; return NULL;
} }
}
_set_pktsnip(pkt, next, _data, size, type);
if (data != NULL) { if (data != NULL) {
memcpy(_data, data, size); memcpy(_data, data, size);
} }
}
_set_pktsnip(pkt, next, _data, size, type);
return pkt; return pkt;
} }