1 files changed, 8 insertions, 33 deletions

diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index 288594163c22..8f52fc858e48 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -75,7 +75,7 @@ static slram_mtd_list_t *slram_mtdlist = NULL;
 static int slram_erase(struct mtd_info *, struct erase_info *);
 static int slram_point(struct mtd_info *, loff_t, size_t, size_t *, void **,
                 resource_size_t *);
-static void slram_unpoint(struct mtd_info *, loff_t, size_t);
+static int slram_unpoint(struct mtd_info *, loff_t, size_t);
 static int slram_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);
 static int slram_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
 
@@ -83,21 +83,13 @@ 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);
 }
 
@@ -106,20 +98,14 @@ static int slram_point(struct mtd_info *mtd, loff_t from, size_t len,
 {
         slram_priv_t *priv = mtd->priv;
 
-        /* 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);
 }
 
-static void slram_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
+static int slram_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
 {
+        return 0;
 }
 
 static int slram_read(struct mtd_info *mtd, loff_t from, size_t len,
@@ -127,14 +113,7 @@ 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);
 }
@@ -144,11 +123,7 @@ 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);
 }
@@ -199,11 +174,11 @@ static int register_device(char *name, unsigned long start, unsigned long length
         (*curmtd)->mtdinfo->name = name;
         (*curmtd)->mtdinfo->size = length;
         (*curmtd)->mtdinfo->flags = MTD_CAP_RAM;
-        (*curmtd)->mtdinfo->erase = slram_erase;
-        (*curmtd)->mtdinfo->point = slram_point;
-        (*curmtd)->mtdinfo->unpoint = slram_unpoint;
-        (*curmtd)->mtdinfo->read = slram_read;
-        (*curmtd)->mtdinfo->write = slram_write;
+        (*curmtd)->mtdinfo->_erase = slram_erase;
+        (*curmtd)->mtdinfo->_point = slram_point;
+        (*curmtd)->mtdinfo->_unpoint = slram_unpoint;
+        (*curmtd)->mtdinfo->_read = slram_read;
+        (*curmtd)->mtdinfo->_write = slram_write;
         (*curmtd)->mtdinfo->owner = THIS_MODULE;
         (*curmtd)->mtdinfo->type = MTD_RAM;
         (*curmtd)->mtdinfo->erasesize = SLRAM_BLK_SZ;