1 files changed, 0 insertions, 11 deletions

diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c
index 0101dce90c45..b875c2c50d82 100644
--- a/drivers/mtd/ubi/gluebi.c
+++ b/drivers/mtd/ubi/gluebi.c
@@ -174,11 +174,7 @@ static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len,
         int err = 0, lnum, offs, total_read;
         struct gluebi_device *gluebi;
 
-        if (len < 0 || from < 0 || from + len > mtd->size)
-                return -EINVAL;
-
         gluebi = container_of(mtd, struct gluebi_device, mtd);
-
         lnum = div_u64_rem(from, mtd->erasesize, &offs);
         total_read = len;
         while (total_read) {
@@ -218,9 +214,6 @@ static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len,
         int err = 0, lnum, offs, total_written;
         struct gluebi_device *gluebi;
 
-        if (len < 0 || to < 0 || len + to > mtd->size)
-                return -EINVAL;
-
         gluebi = container_of(mtd, struct gluebi_device, mtd);
 
         if (!(mtd->flags & MTD_WRITEABLE))
@@ -265,10 +258,6 @@ static int gluebi_erase(struct mtd_info *mtd, struct erase_info *instr)
         int err, i, lnum, count;
         struct gluebi_device *gluebi;
 
-        if (instr->addr < 0 || instr->addr > mtd->size - mtd->erasesize)
-                return -EINVAL;
-        if (instr->len < 0 || instr->addr + instr->len > mtd->size)
-                return -EINVAL;
         if (mtd_mod_by_ws(instr->addr, mtd) || mtd_mod_by_ws(instr->len, mtd))
                 return -EINVAL;