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fixed bug #41499 netconn::recv_avail can overflow

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Simon Goldschmidt
2014-02-20 21:55:11 +01:00
parent 08b56e8180
commit a2d6a50dff
3 changed files with 6 additions and 3 deletions
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4
src/api/sockets.c
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@@ -2521,7 +2521,7 @@ lwip_ioctl(int s, long cmd, void *argp)
u8_t val;
#if LWIP_SO_RCVBUF
u16_t buflen = 0;
s16_t recv_avail;
int recv_avail;
#endif /* LWIP_SO_RCVBUF */
if (!sock) {
@@ -2565,7 +2565,7 @@ lwip_ioctl(int s, long cmd, void *argp)
if (recv_avail < 0) {
recv_avail = 0;
}
*((u16_t*)argp) = (u16_t)recv_avail;
*((int*)argp) = recv_avail;
/* Check if there is data left from the last recv operation. /maq 041215 */
if (sock->lastdata) {