diff options
| -rw-r--r-- | arch/i386/kernel/process.c | 5 | ||||
| -rw-r--r-- | fs/posix_acl.c | 6 | ||||
| -rw-r--r-- | mm/mempolicy.c | 3 | ||||
| -rw-r--r-- | net/rxrpc/transport.c | 3 | ||||
| -rw-r--r-- | sound/pci/echoaudio/layla24_dsp.c | 4 | ||||
| -rw-r--r-- | sound/usb/usbaudio.c | 11 | ||||
| -rw-r--r-- | sound/usb/usbmidi.c | 3 |
7 files changed, 13 insertions, 22 deletions
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 8c190ca7ae44..96cd0232e1e0 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -425,13 +425,12 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long esp, 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 --git a/fs/posix_acl.c b/fs/posix_acl.c index 6c8dcf7613fd..aec931e09973 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -58,11 +58,9 @@ posix_acl_clone(const struct posix_acl *acl, gfp_t flags) 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 --git a/mm/mempolicy.c b/mm/mempolicy.c index cf18f0942553..25788b1b7fcf 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1324,12 +1324,11 @@ struct mempolicy *__mpol_copy(struct mempolicy *old) 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 --git a/net/rxrpc/transport.c b/net/rxrpc/transport.c index 465efc86fccf..94b2e2fe6fdb 100644 --- a/net/rxrpc/transport.c +++ b/net/rxrpc/transport.c @@ -381,11 +381,10 @@ static int rxrpc_incoming_msg(struct rxrpc_transport *trans, /* 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 --git a/sound/pci/echoaudio/layla24_dsp.c b/sound/pci/echoaudio/layla24_dsp.c index 7ec5b63d0dce..97e42e115147 100644 --- a/sound/pci/echoaudio/layla24_dsp.c +++ b/sound/pci/echoaudio/layla24_dsp.c @@ -302,11 +302,11 @@ static int switch_asic(struct echoaudio *chip, const struct firmware *asic) /* 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 --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 49248fa7aef4..a42acf6d7b68 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -2046,10 +2046,9 @@ int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request, 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(struct snd_usb_audio *chip, 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 snd_usb_audio *chip, 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 --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c index abe29dadd979..0dcf78adb99a 100644 --- a/sound/usb/usbmidi.c +++ b/sound/usb/usbmidi.c @@ -323,10 +323,9 @@ static int send_bulk_static_data(struct snd_usb_midi_out_endpoint* ep, 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); |