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Searched refs:kbuf (Results 1 – 25 of 29) sorted by relevance

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/drivers/char/xilinx_hwicap/
A Dxilinx_hwicap.c357 u32 *kbuf; in hwicap_read() local
386 if (!kbuf) { in hwicap_read()
411 kbuf, words); in hwicap_read()
415 free_page((unsigned long)kbuf); in hwicap_read()
421 free_page((unsigned long)kbuf); in hwicap_read()
426 kbuf, in hwicap_read()
429 free_page((unsigned long)kbuf); in hwicap_read()
444 u32 *kbuf; in hwicap_write() local
461 if (!kbuf) { in hwicap_write()
495 kbuf, len >> 2); in hwicap_write()
[all …]
/drivers/fpga/
A Dversal-fpga.c26 char *kbuf; in versal_fpga_ops_write() local
29 kbuf = dma_alloc_coherent(mgr->dev.parent, size, &dma_addr, GFP_KERNEL); in versal_fpga_ops_write()
30 if (!kbuf) in versal_fpga_ops_write()
33 memcpy(kbuf, buf, size); in versal_fpga_ops_write()
35 dma_free_coherent(mgr->dev.parent, size, kbuf, dma_addr); in versal_fpga_ops_write()
A Dzynqmp-fpga.c46 char *kbuf; in zynqmp_fpga_ops_write() local
51 kbuf = dma_alloc_coherent(priv->dev, size, &dma_addr, GFP_KERNEL); in zynqmp_fpga_ops_write()
52 if (!kbuf) in zynqmp_fpga_ops_write()
55 memcpy(kbuf, buf, size); in zynqmp_fpga_ops_write()
64 dma_free_coherent(priv->dev, size, kbuf, dma_addr); in zynqmp_fpga_ops_write()
A Dstratix10-soc.c182 char *kbuf; in s10_ops_write_init() local
216 kbuf = stratix10_svc_allocate_memory(priv->chan, SVC_BUF_SIZE); in s10_ops_write_init()
217 if (IS_ERR(kbuf)) { in s10_ops_write_init()
219 ret = PTR_ERR(kbuf); in s10_ops_write_init()
223 priv->svc_bufs[i].buf = kbuf; in s10_ops_write_init()
/drivers/soc/fsl/
A Ddpaa2-console.c199 void *kbuf; in dpaa2_console_read() local
211 kbuf = kmalloc(bytes, GFP_KERNEL); in dpaa2_console_read()
212 if (!kbuf) in dpaa2_console_read()
216 memcpy_fromio(kbuf, cd->cur_ptr, bytes_end); in dpaa2_console_read()
217 if (copy_to_user(buf, kbuf, bytes_end)) { in dpaa2_console_read()
227 memcpy_fromio(kbuf, cd->cur_ptr, bytes); in dpaa2_console_read()
228 if (copy_to_user(buf, kbuf, bytes)) { in dpaa2_console_read()
235 kfree(kbuf); in dpaa2_console_read()
239 kfree(kbuf); in dpaa2_console_read()
/drivers/crypto/xilinx/
A Dzynqmp-aes-gcm.c89 char *kbuf; in zynqmp_aes_aead_cipher() local
98 kbuf = dma_alloc_coherent(dev, dma_size, &dma_addr_data, GFP_KERNEL); in zynqmp_aes_aead_cipher()
99 if (!kbuf) in zynqmp_aes_aead_cipher()
105 dma_free_coherent(dev, dma_size, kbuf, dma_addr_data); in zynqmp_aes_aead_cipher()
110 scatterwalk_map_and_copy(kbuf, req->src, 0, req->cryptlen, 0); in zynqmp_aes_aead_cipher()
111 memcpy(kbuf + data_size, req->iv, GCM_AES_IV_SIZE); in zynqmp_aes_aead_cipher()
125 memcpy(kbuf + data_size + GCM_AES_IV_SIZE, in zynqmp_aes_aead_cipher()
161 kbuf, data_size); in zynqmp_aes_aead_cipher()
165 if (kbuf) { in zynqmp_aes_aead_cipher()
166 memzero_explicit(kbuf, dma_size); in zynqmp_aes_aead_cipher()
[all …]
/drivers/mtd/
A Dmtdchar.c137 char *kbuf; in mtdchar_read() local
152 if (!kbuf) in mtdchar_read()
172 ops.datbuf = kbuf; in mtdchar_read()
195 kfree(kbuf); in mtdchar_read()
207 kfree(kbuf); in mtdchar_read()
213 kfree(kbuf); in mtdchar_read()
223 char *kbuf; in mtdchar_write() local
241 if (!kbuf) in mtdchar_write()
248 kfree(kbuf); in mtdchar_write()
295 kfree(kbuf); in mtdchar_write()
[all …]
/drivers/net/wireless/ath/wil6210/
A Ddebugfs.c706 kfree(kbuf); in wil_write_file_rxon()
786 if (!kbuf) in wil_write_back()
791 kfree(kbuf); in wil_write_back()
797 kfree(kbuf); in wil_write_back()
883 if (!kbuf) in wil_write_pmccfg()
888 kfree(kbuf); in wil_write_pmccfg()
894 kfree(kbuf); in wil_write_pmccfg()
1942 if (!kbuf) in wil_link_stats_write()
1954 kfree(kbuf); in wil_link_stats_write()
2101 if (!kbuf) in wil_write_led_blink_time()
[all …]
/drivers/gpu/drm/i915/display/
A Dintel_link_bw.c374 char *kbuf; in user_str_to_fxp_q4_nonneg() local
377 kbuf = memdup_user_nul(ubuf, len); in user_str_to_fxp_q4_nonneg()
378 if (IS_ERR(kbuf)) in user_str_to_fxp_q4_nonneg()
379 return PTR_ERR(kbuf); in user_str_to_fxp_q4_nonneg()
381 err = str_to_fxp_q4_nonneg(kbuf, val_x16); in user_str_to_fxp_q4_nonneg()
383 kfree(kbuf); in user_str_to_fxp_q4_nonneg()
A Dintel_dp_link_training.c1748 char *kbuf; in parse_link_rate() local
1753 kbuf = memdup_user_nul(ubuf, len); in parse_link_rate()
1754 if (IS_ERR(kbuf)) in parse_link_rate()
1755 return PTR_ERR(kbuf); in parse_link_rate()
1757 p = strim(kbuf); in parse_link_rate()
1773 kfree(kbuf); in parse_link_rate()
1846 char *kbuf; in parse_lane_count() local
1852 if (IS_ERR(kbuf)) in parse_lane_count()
1853 return PTR_ERR(kbuf); in parse_lane_count()
1855 p = strim(kbuf); in parse_lane_count()
[all …]
/drivers/rpmsg/
A Drpmsg_char.c255 void *kbuf; in rpmsg_eptdev_write_iter() local
258 kbuf = kzalloc(len, GFP_KERNEL); in rpmsg_eptdev_write_iter()
259 if (!kbuf) in rpmsg_eptdev_write_iter()
262 if (!copy_from_iter_full(kbuf, len, from)) { in rpmsg_eptdev_write_iter()
278 ret = rpmsg_trysendto(eptdev->ept, kbuf, len, eptdev->chinfo.dst); in rpmsg_eptdev_write_iter()
282 ret = rpmsg_sendto(eptdev->ept, kbuf, len, eptdev->chinfo.dst); in rpmsg_eptdev_write_iter()
289 kfree(kbuf); in rpmsg_eptdev_write_iter()
/drivers/md/bcache/
A Ddebug.c177 char kbuf[80]; in bch_dump_read() local
199 bch_extent_to_text(kbuf, sizeof(kbuf), &w->key); in bch_dump_read()
200 i->bytes = snprintf(i->buf, PAGE_SIZE, "%s\n", kbuf); in bch_dump_read()
/drivers/tty/
A Dn_tty.c2122 u8 *kb = kbuf; in n_tty_continue_cookie()
2132 return kb - kbuf; in n_tty_continue_cookie()
2135 return kb - kbuf; in n_tty_continue_cookie()
2145 return kb - kbuf; in n_tty_continue_cookie()
2199 u8 *kb = kbuf; in n_tty_read()
2248 if (kb != kbuf) in n_tty_read()
2279 if (packet && kb == kbuf) { in n_tty_read()
2290 if (kb - kbuf >= minimum) in n_tty_read()
2308 if (kb - kbuf) in n_tty_read()
2309 retval = kb - kbuf; in n_tty_read()
[all …]
A Dn_hdlc.c428 u8 *kbuf, size_t nr, void **cookie, in n_hdlc_tty_read() argument
492 memcpy(kbuf, rbuf->buf+offset, ret); in n_hdlc_tty_read()
/drivers/char/
A Dlp.c306 char *kbuf = lp_table[minor].lp_buffer; in lp_write() local
327 if (copy_from_user(kbuf, buf, copy_size)) { in lp_write()
346 written = parport_write(port, kbuf, copy_size); in lp_write()
394 if (copy_from_user(kbuf, buf, copy_size)) { in lp_write()
426 char *kbuf = lp_table[minor].lp_buffer; in lp_read() local
450 retval = parport_read(port, kbuf, count); in lp_read()
488 if (retval > 0 && copy_to_user(buf, kbuf, retval)) in lp_read()
/drivers/xen/
A Devtchn.c276 evtchn_port_t *kbuf = (evtchn_port_t *)__get_free_page(GFP_KERNEL); in evtchn_write() local
279 if (kbuf == NULL) in evtchn_write()
293 if (copy_from_user(kbuf, buf, count) != 0) in evtchn_write()
299 evtchn_port_t port = kbuf[i]; in evtchn_write()
314 free_page((unsigned long)kbuf); in evtchn_write()
/drivers/staging/media/av7110/
A Dav7110_av.c444 kb = av7110->kbuf[type]; in ts_play()
479 if (!av7110->kbuf[type]) in dvb_play()
496 if (copy_from_user(av7110->kbuf[type], buf, n)) in dvb_play()
498 av7110_ipack_instant_repack(av7110->kbuf[type], n, in dvb_play()
513 if (!av7110->kbuf[type]) in dvb_play_kernel()
544 if (!av7110->kbuf[type]) in dvb_aplay()
560 if (copy_from_user(av7110->kbuf[type], buf, n)) in dvb_aplay()
562 av7110_ipack_instant_repack(av7110->kbuf[type], n, in dvb_aplay()
1679 av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN); in av7110_av_init()
1680 av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS; in av7110_av_init()
A Dav7110.h207 u8 *kbuf[2]; member
/drivers/usb/gadget/legacy/
A Dinode.c1812 char *kbuf; in dev_config() local
1834 kbuf = memdup_user(buf, length); in dev_config()
1835 if (IS_ERR(kbuf)) in dev_config()
1836 return PTR_ERR(kbuf); in dev_config()
1842 kfree(kbuf); in dev_config()
1845 dev->buf = kbuf; in dev_config()
1848 dev->config = (void *) kbuf; in dev_config()
1853 kbuf += total; in dev_config()
1857 if (kbuf [1] == USB_DT_CONFIG) { in dev_config()
1863 kbuf += total; in dev_config()
[all …]
/drivers/accel/habanalabs/common/
A Ddebugfs.c482 char kbuf[MMU_KBUF_SIZE] = {0}; in mmu_asid_va_write() local
486 if (count > sizeof(kbuf) - 1) in mmu_asid_va_write()
488 if (copy_from_user(kbuf, buf, count)) in mmu_asid_va_write()
490 kbuf[count] = 0; in mmu_asid_va_write()
492 c = strchr(kbuf, ' '); in mmu_asid_va_write()
497 rc = kstrtouint(kbuf, 10, &dev_entry->mmu_asid); in mmu_asid_va_write()
544 char kbuf[MMU_KBUF_SIZE] = {0}; in mmu_ack_error_value_write() local
547 if (count > sizeof(kbuf) - 1) in mmu_ack_error_value_write()
550 if (copy_from_user(kbuf, buf, count)) in mmu_ack_error_value_write()
553 kbuf[count] = 0; in mmu_ack_error_value_write()
[all …]
/drivers/hwtracing/stm/
A Dcore.c623 char *kbuf; in stm_char_write() local
648 kbuf = kmalloc(count + 1, GFP_KERNEL); in stm_char_write()
649 if (!kbuf) in stm_char_write()
652 err = copy_from_user(kbuf, buf, count); in stm_char_write()
654 kfree(kbuf); in stm_char_write()
660 count = stm_write(stm, &stmf->output, 0, kbuf, count, NULL); in stm_char_write()
664 kfree(kbuf); in stm_char_write()
/drivers/s390/char/
A Dvmur.c219 void *kbuf; in alloc_chan_prog() local
238 kbuf = kmalloc(reclen, GFP_KERNEL | GFP_DMA); in alloc_chan_prog()
239 if (!kbuf) { in alloc_chan_prog()
243 cpa[i].cda = virt_to_dma32(kbuf); in alloc_chan_prog()
244 if (copy_from_user(kbuf, ubuf, reclen)) { in alloc_chan_prog()
/drivers/staging/greybus/
A Dcamera.c1113 char *kbuf; in gb_camera_debugfs_write() local
1118 kbuf = memdup_user_nul(buf, len); in gb_camera_debugfs_write()
1119 if (IS_ERR(kbuf)) in gb_camera_debugfs_write()
1120 return PTR_ERR(kbuf); in gb_camera_debugfs_write()
1122 ret = op->execute(gcam, kbuf, len); in gb_camera_debugfs_write()
1125 kfree(kbuf); in gb_camera_debugfs_write()
/drivers/pci/
A Dvgaarb.c1164 char kbuf[64], *curr_pos; in vga_arb_write() local
1170 if (count >= sizeof(kbuf)) in vga_arb_write()
1172 if (copy_from_user(kbuf, buf, count)) in vga_arb_write()
1174 curr_pos = kbuf; in vga_arb_write()
1175 kbuf[count] = '\0'; in vga_arb_write()
/drivers/input/serio/
A Dserport.c153 u8 *kbuf, size_t nr, void **cookie, in serport_ldisc_read() argument

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