From: Ian Jackson <ian.jackson@eu.citrix.com>
Date: Thu, 19 Feb 2009 17:55:54 +0000 (+0000)
Subject: fix raw_aio_remove list walk bug
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=8adde1cbba18de2704a30a76f20855f89c664a88;p=xenclient%2Fioemu.git

fix raw_aio_remove list walk bug

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

Cherry picked and cross-ported by Ian Jackson
from Stefano's submission to qemu-devel, 18 Feb 2009 16:56:16 GMT.
---

diff --git a/block-raw-posix.c b/block-raw-posix.c
index 369f6d77..d31ba414 100644
--- a/block-raw-posix.c
+++ b/block-raw-posix.c
@@ -673,6 +673,7 @@ static void raw_aio_remove(RawAIOCB *acb)
     pacb = &posix_aio_state->first_aio;
     for(;;) {
         if (*pacb == NULL) {
+            fprintf(stderr, "raw_aio_remove: aio request not found!\n");
             break;
         } else if (*pacb == acb) {
             *pacb = acb->next;
@@ -680,7 +681,7 @@ static void raw_aio_remove(RawAIOCB *acb)
             qemu_aio_release(acb);
             break;
         }
-        pacb = &acb->next;
+        pacb = &(*acb)->next;
     }
 }