[ECOS] Termios memory leak?
Andrew Lunn
andrew@lunn.ch
Thu Jul 21 18:02:00 GMT 2005
On Mon, Jul 18, 2005 at 09:29:25AM -0700, Jay Foster wrote:
> I ran into the same problem some time ago, and made the following change to
> correct it. The bug would leak 8KB of memory each time cyg_io_lookup() was
> called for a termios device (after the first time).
Here is what i have committed. I removed the members from the priv
structure as well just to tidy things up.
Andrew
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? termiotty.diff
Index: ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/serial/current/ChangeLog,v
retrieving revision 1.63
diff -u -r1.63 ChangeLog
--- ChangeLog 28 Jun 2005 17:56:12 -0000 1.63
+++ ChangeLog 21 Jul 2005 18:00:33 -0000
@@ -1,3 +1,8 @@
+2005-07-21 Andrew Lunn <andrew.lunn@ascom.ch>
+
+ * src/common/termiostty.c: Removed errbuf from priv. It was never
+ being used after being allocated and never freed.
+
2005-06-27 Andrew Lunn <andrew.lunn@ascom.ch>
* src/common/serial.c (serial_select): Swap the DSR locks and
Index: src/common/termiostty.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/serial/current/src/common/termiostty.c,v
retrieving revision 1.6
diff -u -r1.6 termiostty.c
--- src/common/termiostty.c 5 Sep 2003 05:09:19 -0000 1.6
+++ src/common/termiostty.c 21 Jul 2005 18:00:34 -0000
@@ -107,9 +107,6 @@
cyg_io_handle_t dev_handle;
cyg_drv_mutex_t lock;
cyg_bool init;
- cyg_uint8 *errbuf;
- cyg_uint8 *errbufpos;
- cyg_uint32 errbufsize;
};
typedef struct {
@@ -256,12 +253,6 @@
&dev_buf_conf, &len );
}
- priv->errbuf = (cyg_uint8 *)malloc( dev_buf_conf.rx_bufsize );
- if ( NULL == priv->errbuf )
- res = ENOMEM; // FIXME: Are we allowed to do this?
- priv->errbufpos = priv->errbuf;
- priv->errbufsize = dev_buf_conf.rx_bufsize;
-
if ( ENOERR != res ) {
CYG_REPORT_RETVAL( res );
return res;
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