From: Miklos Szeredi <miklos@szeredi.hu>
Date: Wed, 27 May 2009 10:17:24 +0000 (+0000)
Subject: Don't call forget_node() if the lookup was negative and write()
X-Git-Tag: fuse_2_8_0~13
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0db74cc67c5e14e54f2e61bd586139776ab56452;p=qemu-gpiodev%2Flibfuse.git

Don't call forget_node() if the lookup was negative and write()
for the reply returned ENOENT.  Reported by John Haxby
---

diff --git a/ChangeLog b/ChangeLog
index b976a70..9791a7f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-05-27  Miklos Szeredi <miklos@szeredi.hu>
+
+	* Don't call forget_node() if the lookup was negative and write()
+	for the reply returned ENOENT.  Reported by John Haxby
+
 2009-05-25  Miklos Szeredi <miklos@szeredi.hu>
 
 	* Add FUSE_CAP_EXPORT_SUPPORT to fuse_common.h
diff --git a/lib/fuse.c b/lib/fuse.c
index 3f811ae..8c27cd3 100644
--- a/lib/fuse.c
+++ b/lib/fuse.c
@@ -1908,8 +1908,11 @@ static void reply_entry(fuse_req_t req, const struct fuse_entry_param *e,
 {
 	if (!err) {
 		struct fuse *f = req_fuse(req);
-		if (fuse_reply_entry(req, e) == -ENOENT)
-			forget_node(f, e->ino, 1);
+		if (fuse_reply_entry(req, e) == -ENOENT) {
+			/* Skip forget for negative result */
+			if  (e->ino != 0)
+				forget_node(f, e->ino, 1);
+		}
 	} else
 		reply_err(req, err);
 }