diff options
Diffstat (limited to 'drivers/mtd/devices/slram.c')
| -rw-r--r-- | drivers/mtd/devices/slram.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index 9431ffc761c2..842e4890d771 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -84,21 +84,13 @@ static int slram_erase(struct mtd_info *mtd, struct erase_info *instr) { slram_priv_t *priv = mtd->priv; - if (instr->addr + instr->len > mtd->size) { - return(-EINVAL); - } - memset(priv->start + instr->addr, 0xff, instr->len); - /* This'll catch a few races. Free the thing before returning :) * I don't feel at all ashamed. This kind of thing is possible anyway * with flash, but unlikely. */ - instr->state = MTD_ERASE_DONE; - mtd_erase_callback(instr); - return(0); } @@ -110,10 +102,6 @@ static int slram_point(struct mtd_info *mtd, loff_t from, size_t len, /* can we return a physical address with this driver? */ if (phys) return -EINVAL; - - if (from + len > mtd->size) - return -EINVAL; - *virt = priv->start + from; *retlen = len; return(0); @@ -129,14 +117,7 @@ static int slram_read(struct mtd_info *mtd, loff_t from, size_t len, { slram_priv_t *priv = mtd->priv; - if (from > mtd->size) - return -EINVAL; - - if (from + len > mtd->size) - len = mtd->size - from; - memcpy(buf, priv->start + from, len); - *retlen = len; return(0); } @@ -146,11 +127,7 @@ static int slram_write(struct mtd_info *mtd, loff_t to, size_t len, { slram_priv_t *priv = mtd->priv; - if (to + len > mtd->size) - return -EINVAL; - memcpy(priv->start + to, buf, len); - *retlen = len; return(0); } |