Hi Rob,
FYI, kernel build failed on
tree: git://sources.calxeda.com/kernel/linux.git defconfig
head: 0ac7be35d2bc4e5e3a72ac55ff242e1adb08fd87
commit: ba183cdf34f104c591094df0cbafdbb735b8113e [1/3] ARM: mvebu: fix build breaks from multi-platform conversion
config: m68k-allmodconfig
All error/warnings:
drivers/staging/dgrp/dgrp_mon_ops.c: In function 'dgrp_mon_read':
drivers/staging/dgrp/dgrp_mon_ops.c:304:3: error: implicit declaration of function 'copy_to_user' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
drivers/staging/dgrp/dgrp_specproc.c: In function 'config_proc_write':
drivers/staging/dgrp/dgrp_specproc.c:470:2: error: implicit declaration of function 'copy_from_user' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
drivers/staging/dgrp/dgrp_tty.c: In function 'drp_wmove':
drivers/staging/dgrp/dgrp_tty.c:1284:4: error: implicit declaration of function 'copy_from_user' [-Werror=implicit-function-declaration]
drivers/staging/dgrp/dgrp_tty.c: In function 'get_modem_info':
drivers/staging/dgrp/dgrp_tty.c:2267:2: error: implicit declaration of function 'put_user' [-Werror=implicit-function-declaration]
drivers/staging/dgrp/dgrp_tty.c: In function 'set_modem_info':
drivers/staging/dgrp/dgrp_tty.c:2283:2: error: implicit declaration of function 'access_ok' [-Werror=implicit-function-declaration]
drivers/staging/dgrp/dgrp_tty.c:2283:20: error: 'VERIFY_READ' undeclared (first use in this function)
drivers/staging/dgrp/dgrp_tty.c:2283:20: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/dgrp/dgrp_tty.c:2287:2: error: implicit declaration of function 'get_user' [-Werror=implicit-function-declaration]
drivers/staging/dgrp/dgrp_tty.c: In function 'dgrp_tty_digigetedelay':
drivers/staging/dgrp/dgrp_tty.c:2474:2: error: implicit declaration of function 'copy_to_user' [-Werror=implicit-function-declaration]
drivers/staging/dgrp/dgrp_tty.c: In function 'dgrp_tty_ioctl':
drivers/staging/dgrp/dgrp_tty.c:2618:18: error: 'VERIFY_WRITE' undeclared (first use in this function)
cc1: some warnings being treated as errors
vim +304 drivers/staging/dgrp/dgrp_mon_ops.c
0b52b749 (Bill Pemberton 2012-09-20 288) if (rtn)
0b52b749 (Bill Pemberton 2012-09-20 289) return rtn;
0b52b749 (Bill Pemberton 2012-09-20 290)
0b52b749 (Bill Pemberton 2012-09-20 291) down(&nd->nd_mon_semaphore);
0b52b749 (Bill Pemberton 2012-09-20 292) }
0b52b749 (Bill Pemberton 2012-09-20 293)
0b52b749 (Bill Pemberton 2012-09-20 294) /*
0b52b749 (Bill Pemberton 2012-09-20 295) * Read whatever is there.
0b52b749 (Bill Pemberton 2012-09-20 296) */
0b52b749 (Bill Pemberton 2012-09-20 297)
0b52b749 (Bill Pemberton 2012-09-20 298) if (res > count)
0b52b749 (Bill Pemberton 2012-09-20 299) res = count;
0b52b749 (Bill Pemberton 2012-09-20 300)
0b52b749 (Bill Pemberton 2012-09-20 301) r = MON_MAX - nd->nd_mon_out;
0b52b749 (Bill Pemberton 2012-09-20 302)
0b52b749 (Bill Pemberton 2012-09-20 303) if (r <= res) {
0b52b749 (Bill Pemberton 2012-09-20 @304) rtn = copy_to_user((void __user *)buf,
0b52b749 (Bill Pemberton 2012-09-20 305) nd->nd_mon_buf + nd->nd_mon_out, r);
0b52b749 (Bill Pemberton 2012-09-20 306) if (rtn) {
0b52b749 (Bill Pemberton 2012-09-20 307) up(&nd->nd_mon_semaphore);
0b52b749 (Bill Pemberton 2012-09-20 308) return -EFAULT;
0b52b749 (Bill Pemberton 2012-09-20 309) }
0b52b749 (Bill Pemberton 2012-09-20 310)
0b52b749 (Bill Pemberton 2012-09-20 311) nd->nd_mon_out = 0;
0b52b749 (Bill Pemberton 2012-09-20 312) res -= r;
The code at line 304 was first introduced by commit:
0b52b74 staging: Add dgrp driver for Digi Realport devices
---
0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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