diff options
| -rw-r--r-- | arch/blackfin/kernel/process.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index de7d048bd4ee..9124467651c4 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -395,7 +395,8 @@ void finish_atomic_sections (struct pt_regs *regs) #if defined(CONFIG_ACCESS_CHECK) int _access_ok(unsigned long addr, unsigned long size) { - + if (size == 0) + return 1; if (addr > (addr + size)) return 0; if (segment_eq(get_fs(), KERNEL_DS)) |