Fix sparse warnings generated from cfi_cmdset_0001.c.
drivers/mtd/chips/cfi_cmdset_0001.c:1783:5: warning: symbol 'cfi_intelext_erase_varsize' was not declared. Should it be static?
drivers/mtd/chips/cfi_cmdset_0001.c:2258:43: warning: Using plain integer as NULL pointer
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
        return ret;
 }
 
-int cfi_intelext_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
+static int cfi_intelext_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
 {
        unsigned long ofs, len;
        int ret;
                        adr = region->offset + block * len;
 
                        status = cfi_varsize_frob(mtd,
-                                       do_getlockstatus_oneblock, adr, len, 0);
+                                       do_getlockstatus_oneblock, adr, len, NULL);
                        if (status)
                                set_bit(block, region->lockmap);
                        else