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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2014-12-10 15:41:31 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 17:41:02 -0800 |
| commit | ded00142740f54610b7e256201c45a3bfa5f14e5 (patch) | |
| tree | 58fca4bbb311699da22f7e96ba38ffe1bb13c2ae /arch/sh/mm | |
| parent | scripts/kernel-doc: don't eat struct members with __aligned (diff) | |
| download | linux-dev-ded00142740f54610b7e256201c45a3bfa5f14e5.tar.xz linux-dev-ded00142740f54610b7e256201c45a3bfa5f14e5.zip | |
sh: off by one BUG_ON() in setup_bootmem_node()
This off by one bug is harmless but it upsets the static checkers and the
code is obvious so it doesn't hurt to fix it. The Smatch warning is:
arch/sh/mm/numa.c:47 setup_bootmem_node()
error: buffer overflow 'node_data' 1024 <= 1024
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/numa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c index 3d85225b9e95..bce52ba66206 100644 --- a/arch/sh/mm/numa.c +++ b/arch/sh/mm/numa.c @@ -31,7 +31,7 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) unsigned long bootmem_paddr; /* Don't allow bogus node assignment */ - BUG_ON(nid > MAX_NUMNODES || nid <= 0); + BUG_ON(nid >= MAX_NUMNODES || nid <= 0); start_pfn = start >> PAGE_SHIFT; end_pfn = end >> PAGE_SHIFT; |