Messages in this thread Patch in this message | | | From | Geunsik Lim <> | Subject | [PATCH] Fix potentially derefencing uninitialized 'r'. | Date | Fri, 3 Feb 2012 17:20:56 +0900 |
| |
struct memblock_region 'r' will not be initialized potentially because of while statement's condition in __next_mem_pfn_range()function. Initialize struct memblock_region data structure by default.
Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com> --- mm/memblock.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/memblock.c b/mm/memblock.c index 77b5f22..867f5a2 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -671,7 +671,7 @@ void __init_memblock __next_mem_pfn_range(int *idx, int nid, unsigned long *out_end_pfn, int *out_nid) { struct memblock_type *type = &memblock.memory; - struct memblock_region *r; + struct memblock_region *r = &type->regions[*idx]; while (++*idx < type->cnt) { r = &type->regions[*idx]; -- 1.7.8.1
| |