--- a/nss_ppe_vp.c
+++ b/nss_ppe_vp.c
@@ -96,8 +96,8 @@ static void nss_ppe_vp_proc_help(void)
 {
 	nss_info_always("== for dynamic interface types read following file ==");
 	nss_info_always("/sys/kernel/debug/qca-nss-drv/stats/dynamic_if/type_names");
-	nss_info_always("NSS PPE VP create: echo <interface name> <dynamic interface type> > /proc/sys/nss/ppe_vp/create");
-	nss_info_always("NSS PPE VP destroy: echo <interface name> <dynamic interface type> > /proc/sys/nss/ppe_vp/destroy");
+	nss_info_always("NSS PPE VP create: echo <interface name> <dynamic interface type> > /proc/sys/dev/nss/ppe_vp/create");
+	nss_info_always("NSS PPE VP destroy: echo <interface name> <dynamic interface type> > /proc/sys/dev/nss/ppe_vp/destroy");
 }
 
 /*
@@ -210,20 +210,19 @@ static void nss_ppe_vp_callback(void *ap
  * nss_ppe_vp_parse_vp_cmd()
  *	Parse PPE VP create and destroy message and return the NSS interface number.
  * Command usage:
- * echo <interface name> <dynamic interface type> /proc/sys/nss/ppe_vp/create>
- * echo ath0 6 > /proc/sys/nss/ppe_vp/create
+ * echo <interface name> <dynamic interface type> /proc/sys/dev/nss/ppe_vp/create>
+ * echo ath0 6 > /proc/sys/dev/nss/ppe_vp/create
  * Since ath0 has only one type i.e. ath0 is NSS_DYNAMIC_INTERFACE_TYPE_VAP, the above command can be rewritten as
- * echo ath0 > /proc/sys/nss/ppe_vp/create => Here 6 can be ignored.
+ * echo ath0 > /proc/sys/dev/nss/ppe_vp/create => Here 6 can be ignored.
  */
 static nss_if_num_t nss_ppe_vp_parse_vp_cmd(compat_const struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	int32_t if_num;
 	struct net_device *dev;
-	uint32_t  dynamic_if_type = (uint32_t)NSS_DYNAMIC_INTERFACE_TYPE_NONE;
+	uint32_t dynamic_if_type = (uint32_t)NSS_DYNAMIC_INTERFACE_TYPE_NONE;
 	struct nss_ctx_instance *nss_ctx = nss_ppe_vp_get_context();
 	char *pos;
 	char cmd_buf[NSS_PPE_VP_MAX_CMD_STR] = {0}, dev_name[NSS_PPE_VP_MAX_CMD_STR] = {0};
-	size_t count = *lenp;
 	int ret = proc_dostring(ctl, write, buffer, lenp, ppos);
 
 	if (!write) {
@@ -238,17 +237,7 @@ static nss_if_num_t nss_ppe_vp_parse_vp_
 
 	NSS_VERIFY_CTX_MAGIC(nss_ctx);
 
-	if (count >= NSS_PPE_VP_MAX_CMD_STR) {
-		nss_ppe_vp_proc_help();
-		nss_warning("%px: Input string too big", nss_ctx);
-		return -E2BIG;
-	}
-
-	if (copy_from_user(cmd_buf, buffer, count)) {
-		nss_warning("%px: Cannot copy user's entry to kernel memory", nss_ctx);
-		return -EFAULT;
-	}
-
+	/* proc_dostring has already copied the data to nss_ppe_vp_cmd */
 	if ((pos = strrchr(cmd_buf, '\n')) != NULL) {
 		*pos = '\0';
 	}