if(blockNumber < 0 || blockNumber >= filedisk.nBlocks)
{
yaffs_trace(YAFFS_TRACE_ALWAYS,
"Attempt to erase non-existant block %d\n",
blockNumber);
return YAFFS_FAIL;
if(blockNumber < 0 || blockNumber >= filedisk.nBlocks)
{
yaffs_trace(YAFFS_TRACE_ALWAYS,
"Attempt to erase non-existant block %d\n",
blockNumber);
return YAFFS_FAIL;