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drivers/usb: Remove unneeded kmalloc() return value casts

PATCH Applied Jesper Juhl 2 participants 2 messages Dec 11, 2005 – Dec 13, 2005 USB

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#0 lore raw

PATCH 2/6 drivers/usb: Remove unneeded kmalloc() return value casts

Remove kmalloc() return value casts that we don't need from drivers/usb/*

---

 drivers/usb/media/usbvideo.c |    2 +-
 drivers/usb/media/w9968cf.c  |    4 ++--
 drivers/usb/misc/auerswald.c |    4 ++--
 drivers/usb/misc/rio500.c    |    4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)
drivers/usb/misc/auerswald.c +2 -2
@@ -767,7 +767,7 @@ static int auerbuf_setup (pauerbufctl_t 
 	        memset (bep, 0, sizeof (auerbuf_t));
                 bep->list = bcp;
                 INIT_LIST_HEAD (&bep->buff_list);
-                bep->bufp = (char *) kmalloc (bufsize, GFP_KERNEL);
+                bep->bufp = kmalloc (bufsize, GFP_KERNEL);
                 if (!bep->bufp)
 			goto bl_fail;
                 bep->dr = (struct usb_ctrlrequest *) kmalloc (sizeof (struct usb_ctrlrequest), GFP_KERNEL);
@@ -1123,7 +1123,7 @@ static int auerswald_int_open (pauerswal
                 }
         }
         if (!cp->intbufp) {
-                cp->intbufp = (char *) kmalloc (irqsize, GFP_KERNEL);
+                cp->intbufp = kmalloc (irqsize, GFP_KERNEL);
                 if (!cp->intbufp) {
                         ret = -ENOMEM;
                         goto intoend;
drivers/usb/misc/rio500.c +2 -2
@@ -465,14 +465,14 @@ static int probe_rio(struct usb_interfac
 
 	rio->rio_dev = dev;
 
-	if (!(rio->obuf = (char *) kmalloc(OBUF_SIZE, GFP_KERNEL))) {
+	if (!(rio->obuf = kmalloc(OBUF_SIZE, GFP_KERNEL))) {
 		err("probe_rio: Not enough memory for the output buffer");
 		usb_deregister_dev(intf, &usb_rio_class);
 		return -ENOMEM;
 	}
 	dbg("probe_rio: obuf address:%p", rio->obuf);
 
-	if (!(rio->ibuf = (char *) kmalloc(IBUF_SIZE, GFP_KERNEL))) {
+	if (!(rio->ibuf = kmalloc(IBUF_SIZE, GFP_KERNEL))) {
 		err("probe_rio: Not enough memory for the input buffer");
 		usb_deregister_dev(intf, &usb_rio_class);
 		kfree(rio->obuf);
drivers/usb/media/usbvideo.c +1 -1
@@ -725,7 +725,7 @@ int usbvideo_register(
 		/* Allocate user_data separately because of kmalloc's limits */
 		if (num_extra > 0) {
 			up->user_size = num_cams * num_extra;
-			up->user_data = (char *) kmalloc(up->user_size, GFP_KERNEL);
+			up->user_data = kmalloc(up->user_size, GFP_KERNEL);
 			if (up->user_data == NULL) {
 				err("%s: Failed to allocate user_data (%d. bytes)",
 				    __FUNCTION__, up->user_size);
drivers/usb/media/w9968cf.c +2 -2
@@ -3554,7 +3554,7 @@ w9968cf_usb_probe(struct usb_interface* 
 
 
 	/* Allocate 2 bytes of memory for camera control USB transfers */
-	if (!(cam->control_buffer = (u16*)kmalloc(2, GFP_KERNEL))) {
+	if (!(cam->control_buffer = kmalloc(2, GFP_KERNEL))) {
 		DBG(1,"Couldn't allocate memory for camera control transfers")
 		err = -ENOMEM;
 		goto fail;
@@ -3562,7 +3562,7 @@ w9968cf_usb_probe(struct usb_interface* 
 	memset(cam->control_buffer, 0, 2);
 
 	/* Allocate 8 bytes of memory for USB data transfers to the FSB */
-	if (!(cam->data_buffer = (u16*)kmalloc(8, GFP_KERNEL))) {
+	if (!(cam->data_buffer = kmalloc(8, GFP_KERNEL))) {
 		DBG(1, "Couldn't allocate memory for data "
 		       "transfers to the FSB")
 		err = -ENOMEM;
#1 lore raw

patch usb-remove-unneeded-kmalloc-return-value-casts.patch added to gregkh-2.6 tree

This is a note to let you know that I've just added the patch titled

Subject: USB: Remove unneeded kmalloc() return value casts

to my gregkh-2.6 tree. Its filename is

usb-remove-unneeded-kmalloc-return-value-casts.patch

This tree can be found at
http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/

Patches currently in gregkh-2.6 which might be from [email protected] are

driver/speakup-kconfig-fix.patch usb/usb-remove-unneeded-kmalloc-return-value-casts.patch

Quoted 1 line

From [email protected] Sun Dec 11 11:35:33 2005

From: Jesper Juhl <[email protected]>
To: Linux Kernel Mailing List <[email protected]>
Subject: USB: Remove unneeded kmalloc() return value casts
Date: Sun, 11 Dec 2005 20:34:02 +0100
Cc: "Greg Kroah-Hartman" <[email protected]>, [email protected], Luca Risolia <[email protected]>, Cesar Miquel <[email protected]>, Andrew Morton <[email protected]>, Jesper Juhl <[email protected]>
Content-Disposition: inline
Message-Id: <[email protected]>

Remove kmalloc() return value casts that we don't need from drivers/usb/*

---
 drivers/usb/media/usbvideo.c |    2 +-
 drivers/usb/media/w9968cf.c  |    4 ++--
 drivers/usb/misc/auerswald.c |    4 ++--
 drivers/usb/misc/rio500.c    |    4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)
drivers/usb/misc/auerswald.c +2 -2
@@ -767,7 +767,7 @@ static int auerbuf_setup (pauerbufctl_t 
 	        memset (bep, 0, sizeof (auerbuf_t));
                 bep->list = bcp;
                 INIT_LIST_HEAD (&bep->buff_list);
-                bep->bufp = (char *) kmalloc (bufsize, GFP_KERNEL);
+                bep->bufp = kmalloc (bufsize, GFP_KERNEL);
                 if (!bep->bufp)
 			goto bl_fail;
                 bep->dr = (struct usb_ctrlrequest *) kmalloc (sizeof (struct usb_ctrlrequest), GFP_KERNEL);
@@ -1123,7 +1123,7 @@ static int auerswald_int_open (pauerswal
                 }
         }
         if (!cp->intbufp) {
-                cp->intbufp = (char *) kmalloc (irqsize, GFP_KERNEL);
+                cp->intbufp = kmalloc (irqsize, GFP_KERNEL);
                 if (!cp->intbufp) {
                         ret = -ENOMEM;
                         goto intoend;
drivers/usb/misc/rio500.c +2 -2
@@ -465,14 +465,14 @@ static int probe_rio(struct usb_interfac
 
 	rio->rio_dev = dev;
 
-	if (!(rio->obuf = (char *) kmalloc(OBUF_SIZE, GFP_KERNEL))) {
+	if (!(rio->obuf = kmalloc(OBUF_SIZE, GFP_KERNEL))) {
 		err("probe_rio: Not enough memory for the output buffer");
 		usb_deregister_dev(intf, &usb_rio_class);
 		return -ENOMEM;
 	}
 	dbg("probe_rio: obuf address:%p", rio->obuf);
 
-	if (!(rio->ibuf = (char *) kmalloc(IBUF_SIZE, GFP_KERNEL))) {
+	if (!(rio->ibuf = kmalloc(IBUF_SIZE, GFP_KERNEL))) {
 		err("probe_rio: Not enough memory for the input buffer");
 		usb_deregister_dev(intf, &usb_rio_class);
 		kfree(rio->obuf);
drivers/usb/media/usbvideo.c +1 -1
@@ -725,7 +725,7 @@ int usbvideo_register(
 		/* Allocate user_data separately because of kmalloc's limits */
 		if (num_extra > 0) {
 			up->user_size = num_cams * num_extra;
-			up->user_data = (char *) kmalloc(up->user_size, GFP_KERNEL);
+			up->user_data = kmalloc(up->user_size, GFP_KERNEL);
 			if (up->user_data == NULL) {
 				err("%s: Failed to allocate user_data (%d. bytes)",
 				    __FUNCTION__, up->user_size);
drivers/usb/media/w9968cf.c +2 -2
@@ -3554,7 +3554,7 @@ w9968cf_usb_probe(struct usb_interface* 
 
 
 	/* Allocate 2 bytes of memory for camera control USB transfers */
-	if (!(cam->control_buffer = (u16*)kmalloc(2, GFP_KERNEL))) {
+	if (!(cam->control_buffer = kmalloc(2, GFP_KERNEL))) {
 		DBG(1,"Couldn't allocate memory for camera control transfers")
 		err = -ENOMEM;
 		goto fail;
@@ -3562,7 +3562,7 @@ w9968cf_usb_probe(struct usb_interface* 
 	memset(cam->control_buffer, 0, 2);
 
 	/* Allocate 8 bytes of memory for USB data transfers to the FSB */
-	if (!(cam->data_buffer = (u16*)kmalloc(8, GFP_KERNEL))) {
+	if (!(cam->data_buffer = kmalloc(8, GFP_KERNEL))) {
 		DBG(1, "Couldn't allocate memory for data "
 		       "transfers to the FSB")
 		err = -ENOMEM;