From c8b60f8d1a17ac811b94345e3e46a5d25d3dbcab Mon Sep 17 00:00:00 2001
From: hno <>
Date: Sun, 19 May 2002 20:14:52 +0000
Subject: [PATCH] Fix a cbdata reference error in coss async_io
 implementation.. the pointer was cleared before being checked for validity.

---
 src/fs/coss/async_io.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/fs/coss/async_io.cc b/src/fs/coss/async_io.cc
index 1d42aa80a9..29d42ac97a 100644
--- a/src/fs/coss/async_io.cc
+++ b/src/fs/coss/async_io.cc
@@ -11,7 +11,7 @@
  * supports are read/write, and since COSS works on a single file
  * per storedir it should work just fine.
  *
- * $Id: async_io.cc,v 1.8 2002/04/13 23:07:56 hno Exp $
+ * $Id: async_io.cc,v 1.9 2002/05/19 14:14:52 hno Exp $
  */
 
 #include "squid.h"
@@ -159,6 +159,7 @@ a_file_callback(async_queue_t * q)
     DWCB *wc;
     FREE *freefunc;
     void *cbdata;
+    int callback_valid;
     void *buf;
     int fd;
     async_queue_entry_t *aqe;
@@ -186,6 +187,7 @@ a_file_callback(async_queue_t * q)
 		buf = aqe->aq_e_buf;
 		fd = aqe->aq_e_fd;
 		type = aqe->aq_e_type;
+		callback_valid = cbdataReferenceValidDone(aqe->aq_e_callback_data, &cbdata);
 
 		/* Free slot */
 		bzero(aqe, sizeof(async_queue_entry_t));
@@ -193,7 +195,7 @@ a_file_callback(async_queue_t * q)
 		q->aq_numpending--;
 
 		/* Callback */
-		if (cbdataReferenceValidDone(aqe->aq_e_callback_data, &cbdata)) {
+		if (callback_valid) {
 		    if (type == AQ_ENTRY_READ)
 			rc(fd, buf, retval, reterr, cbdata);
 		    if (type == AQ_ENTRY_WRITE)
-- 
2.47.3