From: Steven Whitehouse <steve@gw.chygwyn.com>
Date: Mon, 7 Oct 2002 02:26:58 +0000 (-0700)
Subject: [PATCH] Trivial fix to aio.c:__aio_get_req()
X-Git-Tag: v2.5.41~6
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=da5dce5c02b5872e76f780f0866b5d82f6fd6f80;p=history.git

[PATCH] Trivial fix to aio.c:__aio_get_req()

This is a simple fix to aio.c:__aio_get_req() where it appears that
a freed aio request could be incorrectly returned in the error path,
---

diff --git a/fs/aio.c b/fs/aio.c
index 80a1d3933c7a..4104a65e1172 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -400,8 +400,10 @@ static struct kiocb *__aio_get_req(struct kioctx *ctx)
 		req->ki_user_obj = NULL;
 		req->ki_ctx = ctx;
 		req->ki_users = 1;
-	} else
+	} else {
 		kmem_cache_free(kiocb_cachep, req);
+		req = NULL;
+	}
 	kunmap_atomic(ring, KM_USER0);
 	spin_unlock_irq(&ctx->ctx_lock);