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From: Dave Jones <davej@redhat.com>
To: trond.myklebust@fys.uio.no
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: NFS thinko
Date: Fri, 16 Apr 2004 22:16:28 +0100	[thread overview]
Message-ID: <20040416211628.GM20937@redhat.com> (raw)

Dereferencing 'exp' before the check for NULL.

		Dave


--- linux-2.6.5/include/linux/nfsd/export.h~	2004-04-16 22:13:28.000000000 +0100
+++ linux-2.6.5/include/linux/nfsd/export.h	2004-04-16 22:14:21.000000000 +0100
@@ -118,13 +118,15 @@
 	if (ek && !IS_ERR(ek)) {
 		struct svc_export *exp = ek->ek_export;
 		int err;
+		if (!exp)
+			goto out;
 		cache_get(&exp->h);
 		expkey_put(&ek->h, &svc_expkey_cache);
-		if (exp &&
-		    (err = cache_check(&svc_export_cache, &exp->h, reqp)))
+		if (err = cache_check(&svc_export_cache, &exp->h, reqp))
 			exp = ERR_PTR(err);
 		return exp;
 	} else
+out:
 		return ERR_PTR(PTR_ERR(ek));
 }
 

             reply	other threads:[~2004-04-16 21:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-16 21:16 Dave Jones [this message]
2004-04-16 21:32 ` NFS thinko Russell King
2004-04-16 22:09 ` J. Bruce Fields

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