1 files changed, 0 insertions, 23 deletions

diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 38035551a7d2..36add7ce4632 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -38,29 +38,20 @@ static int phram_erase(struct mtd_info *mtd, struct erase_info *instr)
 {
         u_char *start = mtd->priv;
 
-        if (instr->addr + instr->len > mtd->size)
-                return -EINVAL;
-
         memset(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;
 }
 
 static int phram_point(struct mtd_info *mtd, loff_t from, size_t len,
                 size_t *retlen, void **virt, resource_size_t *phys)
 {
-        if (from + len > mtd->size)
-                return -EINVAL;
-
         /* can we return a physical address with this driver? */
         if (phys)
                 return -EINVAL;
@@ -80,14 +71,7 @@ static int phram_read(struct mtd_info *mtd, loff_t from, size_t len,
 {
         u_char *start = mtd->priv;
 
-        if (from >= mtd->size)
-                return -EINVAL;
-
-        if (len > mtd->size - from)
-                len = mtd->size - from;
-
         memcpy(buf, start + from, len);
-
         *retlen = len;
         return 0;
 }
@@ -97,14 +81,7 @@ static int phram_write(struct mtd_info *mtd, loff_t to, size_t len,
 {
         u_char *start = mtd->priv;
 
-        if (to >= mtd->size)
-                return -EINVAL;
-
-        if (len > mtd->size - to)
-                len = mtd->size - to;
-
         memcpy(start + to, buf, len);
-
         *retlen = len;
         return 0;
 }