The patch titled
kmemdup: some users
has been added to the -mm tree. Its filename is
kmemdup-some-users.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: kmemdup: some users
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/i386/kernel/process.c | 5 ++---
fs/posix_acl.c | 6 ++----
mm/mempolicy.c | 3 +--
net/rxrpc/transport.c | 3 +--
sound/pci/echoaudio/layla24_dsp.c | 4 ++--
sound/usb/usbaudio.c | 11 ++++-------
sound/usb/usbmidi.c | 3 +--
7 files changed, 13 insertions(+), 22 deletions(-)
diff -puN arch/i386/kernel/process.c~kmemdup-some-users arch/i386/kernel/process.c
--- a/arch/i386/kernel/process.c~kmemdup-some-users
+++ a/arch/i386/kernel/process.c
@@ -434,13 +434,12 @@ int copy_thread(int nr, unsigned long cl
tsk = current;
if (unlikely(test_tsk_thread_flag(tsk, TIF_IO_BITMAP))) {
- p->thread.io_bitmap_ptr = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
+ p->thread.io_bitmap_ptr = kmemdup(tsk->thread.io_bitmap_ptr,
+ IO_BITMAP_BYTES, GFP_KERNEL);
if (!p->thread.io_bitmap_ptr) {
p->thread.io_bitmap_max = 0;
return -ENOMEM;
}
- memcpy(p->thread.io_bitmap_ptr, tsk->thread.io_bitmap_ptr,
- IO_BITMAP_BYTES);
set_tsk_thread_flag(p, TIF_IO_BITMAP);
}
diff -puN fs/posix_acl.c~kmemdup-some-users fs/posix_acl.c
--- a/fs/posix_acl.c~kmemdup-some-users
+++ a/fs/posix_acl.c
@@ -58,11 +58,9 @@ posix_acl_clone(const struct posix_acl *
if (acl) {
int size = sizeof(struct posix_acl) + acl->a_count *
sizeof(struct posix_acl_entry);
- clone = kmalloc(size, flags);
- if (clone) {
- memcpy(clone, acl, size);
+ clone = kmemdup(acl, size, flags);
+ if (clone)
atomic_set(&clone->a_refcount, 1);
- }
}
return clone;
}
diff -puN mm/mempolicy.c~kmemdup-some-users mm/mempolicy.c
--- a/mm/mempolicy.c~kmemdup-some-users
+++ a/mm/mempolicy.c
@@ -1322,12 +1322,11 @@ struct mempolicy *__mpol_copy(struct mem
atomic_set(&new->refcnt, 1);
if (new->policy == MPOL_BIND) {
int sz = ksize(old->v.zonelist);
- new->v.zonelist = kmalloc(sz, SLAB_KERNEL);
+ new->v.zonelist = kmemdup(old->v.zonelist, sz, SLAB_KERNEL);
if (!new->v.zonelist) {
kmem_cache_free(policy_cache, new);
return ERR_PTR(-ENOMEM);
}
- memcpy(new->v.zonelist, old->v.zonelist, sz);
}
return new;
}
diff -puN net/rxrpc/transport.c~kmemdup-some-users net/rxrpc/transport.c
--- a/net/rxrpc/transport.c~kmemdup-some-users
+++ a/net/rxrpc/transport.c
@@ -381,11 +381,10 @@ static int rxrpc_incoming_msg(struct rxr
/* allocate a new message record */
ret = -ENOMEM;
- msg = kmalloc(sizeof(struct rxrpc_message), GFP_KERNEL);
+ msg = kmemdup(jumbomsg, sizeof(struct rxrpc_message), GFP_KERNEL);
if (!msg)
goto error;
- memcpy(msg, jumbomsg, sizeof(*msg));
list_add_tail(&msg->link, msgq);
/* adjust the jumbo packet */
diff -puN sound/pci/echoaudio/layla24_dsp.c~kmemdup-some-users sound/pci/echoaudio/layla24_dsp.c
--- a/sound/pci/echoaudio/layla24_dsp.c~kmemdup-some-users
+++ a/sound/pci/echoaudio/layla24_dsp.c
@@ -302,11 +302,11 @@ static int switch_asic(struct echoaudio
/* Check to see if this is already loaded */
if (asic != chip->asic_code) {
- monitors = kmalloc(MONITOR_ARRAY_SIZE, GFP_KERNEL);
+ monitors = kmemdup(chip->comm_page->monitors,
+ MONITOR_ARRAY_SIZE, GFP_KERNEL);
if (! monitors)
return -ENOMEM;
- memcpy(monitors, chip->comm_page->monitors, MONITOR_ARRAY_SIZE);
memset(chip->comm_page->monitors, ECHOGAIN_MUTED,
MONITOR_ARRAY_SIZE);
diff -puN sound/usb/usbaudio.c~kmemdup-some-users sound/usb/usbaudio.c
--- a/sound/usb/usbaudio.c~kmemdup-some-users
+++ a/sound/usb/usbaudio.c
@@ -2046,10 +2046,9 @@ int snd_usb_ctl_msg(struct usb_device *d
void *buf = NULL;
if (size > 0) {
- buf = kmalloc(size, GFP_KERNEL);
+ buf = kmemdup(data, size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- memcpy(buf, data, size);
}
err = usb_control_msg(dev, pipe, request, requesttype,
value, index, buf, size, timeout);
@@ -2846,12 +2845,11 @@ static int create_fixed_stream_quirk(str
int stream, err;
int *rate_table = NULL;
- fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
if (! fp) {
- snd_printk(KERN_ERR "cannot malloc\n");
+ snd_printk(KERN_ERR "cannot memdup\n");
return -ENOMEM;
}
- memcpy(fp, quirk->data, sizeof(*fp));
if (fp->nr_rates > 0) {
rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL);
if (!rate_table) {
@@ -3029,10 +3027,9 @@ static int create_ua1000_quirk(struct sn
altsd->bNumEndpoints != 1)
return -ENXIO;
- fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ fp = kmemdup(&ua1000_format, sizeof(*fp), GFP_KERNEL);
if (!fp)
return -ENOMEM;
- memcpy(fp, &ua1000_format, sizeof(*fp));
fp->channels = alts->extra[4];
fp->iface = altsd->bInterfaceNumber;
diff -puN sound/usb/usbmidi.c~kmemdup-some-users sound/usb/usbmidi.c
--- a/sound/usb/usbmidi.c~kmemdup-some-users
+++ a/sound/usb/usbmidi.c
@@ -323,10 +323,9 @@ static int send_bulk_static_data(struct
const void *data, int len)
{
int err;
- void *buf = kmalloc(len, GFP_KERNEL);
+ void *buf = kmemdup(data, len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- memcpy(buf, data, len);
dump_urb("sending", buf, len);
err = usb_bulk_msg(ep->umidi->chip->dev, ep->urb->pipe, buf, len,
NULL, 250);
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
optical-proc-ide-media.patch
sh-fix-fpn_start-typo.patch
asus_acpi-fix-proc-files-parsing.patch
asus_acpi-dont-printk-on-writing-garbage-to-proc-files.patch
git-alsa.patch
git-agpgart.patch
git-dvb.patch
config_pm=n-slim-drivers-ieee1394-ohci1394c.patch
git-libata-all.patch
git-net.patch
config_pm=n-slim-drivers-pcmcia.patch
i82092-wire-up-errors-from-pci_register_driver.patch
config_pm=n-slim-drivers-serial-8250_pcic.patch
megaraid-fix-warnings-when-config_proc_fs=n.patch
git-xfs.patch
headers_check-improve-include-regexp.patch
headers_check-clarify-error-message.patch
task_struct-ifdef-missedem-v-ipc.patch
ifdef-blktrace-debugging-fields.patch
tty_ioc-keep-davej-sane.patch
ifdef-quota_read-quota_write.patch
reiserfs-ifdef-xattr_sem.patch
reiserfs-ifdef-acl-stuff-from-inode.patch
fsh-ifdef-security-fields.patch
config_pm=n-slim-drivers-parport-parport_serialc.patch
config_pm=n-slim-sound-oss-tridentc.patch
config_pm=n-slim-sound-oss-cs46xxc.patch
windfarm_smu_satc-simplify-around-i2c_add_driver.patch
cramfs-rewrite-init_cramfs_fs.patch
freevxfs-fix-leak-on-error-path.patch
cramfs-make-cramfs_uncompress_exit-return-void.patch
9p-fix-leak-on-error-path.patch
ban-register_filesystemnull.patch
jbd-use-build_bug_on-in-journal-init.patch
really-ignore-kmem_cache_destroy-return-value.patch
make-kmem_cache_destroy-return-void.patch
documentation-submittingdrivers-minor-update.patch
kmemdup-introduce.patch
kmemdup-some-users.patch
remove-null-check-in-register_nls.patch
make-kmem_cache_destroy-return-void-ecryptfs.patch
config_pm=n-slim-drivers-ide-pci-sc1200c.patch
documentation-ioctl-messtxt-start-tree-wide-ioctl-registry.patch
ioctl-messtxt-xfs-typos.patch
-
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