From: Guillaume Knispel Date: Tue, 9 Dec 2008 14:28:34 +0000 (+0100) Subject: powerpc: Fix corruption error in rh_alloc_fixed() X-Git-Tag: v2.6.28-rc9~11^2 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=commitdiff_plain;h=af4d3643864ee5fcba0c97d77a424fa0b0346f8e powerpc: Fix corruption error in rh_alloc_fixed() There is an error in rh_alloc_fixed() of the Remote Heap code: If there is at least one free block blk won't be NULL at the end of the search loop, so -ENOMEM won't be returned and the else branch of "if (bs == s || be == e)" will be taken, corrupting the management structures. Signed-off-by: Guillaume Knispel Acked-by: Timur Tabi Signed-off-by: Kumar Gala --- diff --git a/arch/powerpc/lib/rheap.c b/arch/powerpc/lib/rheap.c index 29b2941cada..45907c1dae6 100644 --- a/arch/powerpc/lib/rheap.c +++ b/arch/powerpc/lib/rheap.c @@ -556,6 +556,7 @@ unsigned long rh_alloc_fixed(rh_info_t * info, unsigned long start, int size, co be = blk->start + blk->size; if (s >= bs && e <= be) break; + blk = NULL; } if (blk == NULL)