diff options
Diffstat (limited to 'arch/mips/cpu')
| -rw-r--r-- | arch/mips/cpu/mips32/cpu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/cpu/mips32/cpu.c b/arch/mips/cpu/mips32/cpu.c index 3ae397c8ef..7b49e1b612 100644 --- a/arch/mips/cpu/mips32/cpu.c +++ b/arch/mips/cpu/mips32/cpu.c @@ -56,6 +56,10 @@ void flush_cache(ulong start_addr, ulong size) unsigned long addr = start_addr & ~(lsize - 1); unsigned long aend = (start_addr + size - 1) & ~(lsize - 1); + /* aend will be miscalculated when size is zero, so we return here */ + if (size == 0) + return; + while (1) { cache_op(Hit_Writeback_Inv_D, addr); cache_op(Hit_Invalidate_I, addr); |