[MTD] Account for MODULE_SYMBOL_PREFIX when requesting NOR chip driver

Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>

drivers/mtd/chips/gen_probe.c

@@ -207,14 +207,14 @@ static inline struct mtd_info *cfi_cmdset_unknown(struct map_info *map,
 	struct cfi_private *cfi = map->fldrv_priv;
 	__u16 type = primary?cfi->cfiq->P_ID:cfi->cfiq->A_ID;
 #ifdef CONFIG_MODULES
-	char probename[32];
+	char probename[16+sizeof(MODULE_SYMBOL_PREFIX)];
 	cfi_cmdset_fn_t *probe_function;
 
-	sprintf(probename, "cfi_cmdset_%4.4X", type);
+	sprintf(probename, MODULE_SYMBOL_PREFIX "cfi_cmdset_%4.4X", type);
 
 	probe_function = __symbol_get(probename);
 	if (!probe_function) {
-		request_module(probename);
+		request_module(probename + sizeof(MODULE_SYMBOL_PREFIX) - 1);
 		probe_function = __symbol_get(probename);
 	}