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[LWIP] dhcp.c: Cherry-pick lwIP 32aa9a4. CORE-8978

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- Fix a while() check order.
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Serge Gautherie 2018-01-19 16:31:19 +01:00 committed by Thomas Faber
parent fda24da872
commit 63775c3215
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1 changed files with 1 additions and 1 deletions
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sdk/lib/drivers/lwip/src/core/dhcp.c
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@ -1377,7 +1377,7 @@ again:
offset_max = options_idx_max;
options = (u8_t*)q->payload;
/* at least 1 byte to read and no end marker, then at least 3 bytes to read? */
while((q != NULL) && (options[offset] != DHCP_OPTION_END) && (offset < offset_max)) {
while ((q != NULL) && (offset < offset_max) && (options[offset] != DHCP_OPTION_END)) {
u8_t op = options[offset];
u8_t len;
u8_t decode_len = 0;