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fix: double free shouldn't happen now

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This commit is contained in:
iceman1001 2017-09-26 22:22:23 +02:00
commit 08bf63c748
3 changed files with 12 additions and 10 deletions
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10
uart/uart_posix.c
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@ -112,7 +112,7 @@ serial_port uart_open(const char* pcPortName)
sp->tiNew.c_cc[VTIME] = 0;
// Try to set the new terminal info struct
if(tcsetattr(sp->fd,TCSANOW,&sp->tiNew) == -1) {
if(tcsetattr(sp->fd, TCSANOW, &sp->tiNew) == -1) {
uart_close(sp);
return INVALID_SERIAL_PORT;
}
@ -128,9 +128,13 @@ serial_port uart_open(const char* pcPortName)
}
void uart_close(const serial_port sp) {
if (!sp) return;
if (sp == INVALID_SERIAL_PORT) return;
if (sp == CLAIMED_SERIAL_PORT) return;
serial_port_unix* spu = (serial_port_unix*)sp;
tcflush(spu->fd,TCIOFLUSH);
tcsetattr(spu->fd,TCSANOW,&(spu->tiOld));
tcflush(spu->fd, TCIOFLUSH);
tcsetattr(spu->fd, TCSANOW, &(spu->tiOld));
struct flock fl;
fl.l_type = F_UNLCK;
fl.l_whence = SEEK_SET;