[go: nahoru, domu]

Searched refs:kbuf (Results 1 - 18 of 18) sorted by relevance

/drivers/char/xilinx_hwicap/
H A Dxilinx_hwicap.c356 u32 *kbuf; local
384 kbuf = (u32 *) get_zeroed_page(GFP_KERNEL);
385 if (!kbuf) {
410 kbuf, words);
414 free_page((unsigned long)kbuf);
419 if (copy_to_user(buf, kbuf, bytes_to_read)) {
420 free_page((unsigned long)kbuf);
425 kbuf,
428 free_page((unsigned long)kbuf);
443 u32 *kbuf; local
[all...]
/drivers/char/
H A Dmem.c380 char *kbuf; /* k-addr because vread() takes vmlist_lock rwlock */ local
410 kbuf = xlate_dev_kmem_ptr((char *)p);
412 if (copy_to_user(buf, kbuf, sz))
423 kbuf = (char *)__get_free_page(GFP_KERNEL);
424 if (!kbuf)
432 sz = vread(kbuf, (char *)p, sz);
435 if (copy_to_user(buf, kbuf, sz)) {
444 free_page((unsigned long)kbuf);
508 char *kbuf; /* k-addr because vwrite() takes vmlist_lock rwlock */ local
523 kbuf
[all...]
H A Dlp.c299 char *kbuf = lp_table[minor].lp_buffer; local
320 if (copy_from_user (kbuf, buf, copy_size)) {
339 written = parport_write (port, kbuf, copy_size);
387 if (copy_from_user(kbuf, buf, copy_size)) {
419 char *kbuf = lp_table[minor].lp_buffer; local
443 retval = parport_read (port, kbuf, count);
481 if (retval > 0 && copy_to_user (buf, kbuf, retval))
/drivers/mtd/
H A Dmtdchar.c189 char *kbuf; local
199 kbuf = mtd_kmalloc_up_to(mtd, &size);
200 if (!kbuf)
209 &retlen, kbuf);
213 &retlen, kbuf);
220 ops.datbuf = kbuf;
229 ret = mtd_read(mtd, *ppos, len, &retlen, kbuf);
242 if (copy_to_user(buf, kbuf, retlen)) {
243 kfree(kbuf);
255 kfree(kbuf);
271 char *kbuf; local
[all...]
H A Dmtdcore.c1159 void *kbuf; local
1164 kbuf = kmalloc(*size, flags);
1165 if (kbuf)
1166 return kbuf;
/drivers/md/bcache/
H A Ddebug.c166 char kbuf[80]; local
189 bch_extent_to_text(kbuf, sizeof(kbuf), &w->key);
190 i->bytes = snprintf(i->buf, PAGE_SIZE, "%s\n", kbuf);
/drivers/staging/goldfish/
H A Dgoldfish_audio.c150 char __iomem *kbuf; local
162 kbuf = data->write_buffer1;
164 kbuf = data->write_buffer2;
167 if (copy_from_user(kbuf, buf, copy)) {
177 if (kbuf == data->write_buffer1) {
/drivers/staging/lustre/lustre/ptlrpc/
H A Dlproc_ptlrpc.c1184 char *kbuf; local
1187 OBD_ALLOC(kbuf, BUFLEN);
1188 if (kbuf == NULL)
1192 * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
1193 * bytes into kbuf, to ensure that the string is NUL-terminated.
1196 if (copy_from_user(kbuf, buffer,
1201 tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
1221 OBD_FREE(kbuf, BUFLEN);
1261 char *kbuf = NULL; local
1271 OBD_ALLOC(kbuf, coun
[all...]
/drivers/usb/gadget/legacy/
H A Dinode.c372 void *kbuf; local
396 kbuf = kmalloc (len, GFP_KERNEL);
397 if (unlikely (!kbuf))
400 value = ep_io (data, kbuf, len);
403 if (value >= 0 && copy_to_user (buf, kbuf, value))
408 kfree (kbuf);
417 void *kbuf; local
441 kbuf = memdup_user(buf, len);
442 if (IS_ERR(kbuf)) {
443 value = PTR_ERR(kbuf);
1851 char *kbuf; local
[all...]
/drivers/xen/
H A Devtchn.c239 evtchn_port_t *kbuf = (evtchn_port_t *)__get_free_page(GFP_KERNEL); local
242 if (kbuf == NULL)
256 if (copy_from_user(kbuf, buf, count) != 0)
262 unsigned port = kbuf[i];
277 free_page((unsigned long)kbuf);
/drivers/misc/
H A Dpti.c613 void *kbuf; local
621 kbuf = kmalloc(size, GFP_KERNEL);
622 if (kbuf == NULL) {
634 if (copy_from_user(kbuf, tmp, size)) {
635 kfree(kbuf);
639 pti_write_to_aperture(mc, kbuf, size);
645 kfree(kbuf);
/drivers/gpu/vga/
H A Dvgaarb.c911 char *kbuf, *curr_pos; local
918 kbuf = kmalloc(count + 1, GFP_KERNEL);
919 if (!kbuf)
922 if (copy_from_user(kbuf, buf, count)) {
923 kfree(kbuf);
926 curr_pos = kbuf;
927 kbuf[count] = '\0'; /* Just to make sure... */
1145 kfree(kbuf);
1149 kfree(kbuf);
/drivers/net/wan/
H A Dcosa.c789 char *kbuf;
825 kbuf = chan->rxdata;
830 if (copy_to_user(buf, kbuf, count)) {
831 kfree(kbuf);
834 kfree(kbuf);
864 char *kbuf;
878 kbuf = kmalloc(count, GFP_KERNEL|GFP_DMA);
879 if (kbuf == NULL) {
883 if (copy_from_user(kbuf, buf, count)) {
885 kfree(kbuf);
788 char *kbuf; local
863 char *kbuf; local
[all...]
/drivers/media/pci/ttpci/
H A Dav7110_av.c455 kb = av7110->kbuf[type];
490 if (!av7110->kbuf[type])
507 if (copy_from_user(av7110->kbuf[type], buf, n))
509 av7110_ipack_instant_repack(av7110->kbuf[type], n,
523 if (!av7110->kbuf[type])
553 if (!av7110->kbuf[type])
569 if (copy_from_user(av7110->kbuf[type], buf, n))
571 av7110_ipack_instant_repack(av7110->kbuf[type], n,
1626 av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1627 av7110->kbuf[
[all...]
H A Dav7110.h216 u8 *kbuf[2]; member in struct:av7110
/drivers/net/wireless/ath/wil6210/
H A Ddebugfs.c522 char *kbuf = kmalloc(len + 1, GFP_KERNEL); local
524 if (!kbuf)
526 if (copy_from_user(kbuf, buf, len)) {
527 kfree(kbuf);
531 kbuf[len] = '\0';
532 rc = kstrtol(kbuf, 0, &channel);
533 kfree(kbuf);
/drivers/s390/char/
H A Dvmur.c234 void *kbuf; local
253 kbuf = kmalloc(reclen, GFP_KERNEL | GFP_DMA);
254 if (!kbuf) {
258 cpa[i].cda = (u32)(addr_t) kbuf;
259 if (copy_from_user(kbuf, ubuf, reclen)) {
/drivers/media/usb/stkwebcam/
H A Dstk-webcam.c424 void *kbuf; local
444 kbuf = kzalloc(ISO_BUFFER_SIZE, GFP_KERNEL);
445 if (kbuf == NULL) {
450 dev->isobufs[i].data = kbuf;

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