01/01: [LWIP] dhcp.c: Cherry-pick lwIP 32aa9a4. CORE-8978

[Serge Gautherie]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=63775c321597c6af6bc42e...

commit 63775c321597c6af6bc42e58614633dff4de6189
Author:     Serge Gautherie [e-mail]
AuthorDate: Fri Jan 19 16:31:19 2018 +0100
Commit:     Thomas Faber [e-mail]
CommitDate: Sat Jan 20 16:04:34 2018 +0100

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

- Fix a while() check order.
---
 sdk/lib/drivers/lwip/src/core/dhcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sdk/lib/drivers/lwip/src/core/dhcp.c b/sdk/lib/drivers/lwip/src/core/dhcp.c
index eb12c55021..cf0b081d26 100644
--- a/sdk/lib/drivers/lwip/src/core/dhcp.c
+++ b/sdk/lib/drivers/lwip/src/core/dhcp.c
@@ -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;