[dm-devel] [PATCH 2.6] 2/7 use kstrdup library function in dm-ioctl.c

["" <pmarques@xxxxxxxxxxxx>]

This patch removes a private strdup in dm-ioctl.c, and updates it to use the
kstrdup library function.

Signed-off-by: Paulo Marques <pmarques@xxxxxxxxxxxx>

--
Paulo Marques - www.grupopie.com
 
All that is necessary for the triumph of evil is that good men do nothing.
Edmund Burke (1729 - 1797)

--- linux-2.6.10/drivers/md/dm-ioctl.c.orig	2005-01-31 19:33:26.631039967 +0000
+++ linux-2.6.10/drivers/md/dm-ioctl.c	2005-01-31 19:34:08.488784182 +0000
@@ -122,14 +122,6 @@ static struct hash_cell *__get_uuid_cell
 /*-----------------------------------------------------------------
  * Inserting, removing and renaming a device.
  *---------------------------------------------------------------*/
-static inline char *kstrdup(const char *str)
-{
-	char *r = kmalloc(strlen(str) + 1, GFP_KERNEL);
-	if (r)
-		strcpy(r, str);
-	return r;
-}
-
 static struct hash_cell *alloc_cell(const char *name, const char *uuid,
 				    struct mapped_device *md)
 {
@@ -139,7 +131,7 @@ static struct hash_cell *alloc_cell(cons
 	if (!hc)
 		return NULL;
 
-	hc->name = kstrdup(name);
+	hc->name = kstrdup(name, GFP_KERNEL);
 	if (!hc->name) {
 		kfree(hc);
 		return NULL;
@@ -149,7 +141,7 @@ static struct hash_cell *alloc_cell(cons
 		hc->uuid = NULL;
 
 	else {
-		hc->uuid = kstrdup(uuid);
+		hc->uuid = kstrdup(uuid, GFP_KERNEL);
 		if (!hc->uuid) {
 			kfree(hc->name);
 			kfree(hc);
@@ -273,7 +265,7 @@ static int dm_hash_rename(const char *ol
 	/*
 	 * duplicate new.
 	 */
-	new_name = kstrdup(new);
+	new_name = kstrdup(new, GFP_KERNEL);
 	if (!new_name)
 		return -ENOMEM;