rh_alloc_fixed() used by cpm_dpalloc_fixed incorrectly returned next
free area
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 at innovsys.com>
Index: linux-innsys/arch/ppc/lib/rheap.c
===================================================================
--- linux-innsys/arch/ppc/lib/rheap.c (revision 29)
+++ linux-innsys/arch/ppc/lib/rheap.c (working copy)
@@ -522,6 +522,10 @@
if (blk == NULL)
return ERR_PTR(-ENOMEM);
+ /* make sure block actually fits */
+ if (bs > s )
+ return ERR_PTR(-ENOMEM);
+
/* Perfect fit */
if (bs == s && be == e) {
/* Move from free list to taken list */
