From: "Rune Torgersen" <runet@innovsys.com>
To: <linuxppc-embedded@ozlabs.org>
Subject: [PATCH] rheap.c rh_alloc_fixed
Date: Mon, 29 Aug 2005 17:43:28 -0500 [thread overview]
Message-ID: <DCEAAC0833DD314AB0B58112AD99B93B859442@ismail.innsys.innovsys.com> (raw)
rh_alloc_fixed() used by cpm_dpalloc_fixed incorrectly returned next
free area=20
if the requested fixed area is not available.
This fixes it to return an error if requested area is not available.
Signed-off-by Rune Torgersen <runet@innovsys.com>
Index: linux-innsys/arch/ppc/lib/rheap.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- linux-innsys/arch/ppc/lib/rheap.c (revision 29)
+++ linux-innsys/arch/ppc/lib/rheap.c (working copy)
@@ -522,6 +522,10 @@
if (blk =3D=3D NULL)
return ERR_PTR(-ENOMEM);
=20
+ /* make sure block actually fits */
+ if (bs > s )=20
+ return ERR_PTR(-ENOMEM);
+
/* Perfect fit */
if (bs =3D=3D s && be =3D=3D e) {
/* Move from free list to taken list */
reply other threads:[~2005-08-29 22:43 UTC|newest]
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