On Mon, Jan 22, 2018 at 11:50:28PM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing > head: fd7ea3a98728a4861c23d2c616649238f15890ff > commit: fd7ea3a98728a4861c23d2c616649238f15890ff [66/66] tty: fix data race between tty_init_dev and flush of buf > config: i386-tinyconfig (attached as .config) > compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 > reproduce: > git checkout fd7ea3a98728a4861c23d2c616649238f15890ff > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > In file included from init/do_mounts.c:15:0: > >> include/linux/tty.h:437:1: error: expected identifier or '(' before '{' token > { return 0; } > ^ > include/linux/tty.h:439:1: error: expected identifier or '(' before '{' token > { } > ^ > In file included from init/do_mounts.c:15:0: > include/linux/tty.h:436:19: warning: 'tty_ldisc_lock' declared 'static' but never defined [-Wunused-function] > static inline int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout); > ^~~~~~~~~~~~~~ > include/linux/tty.h:438:20: warning: 'tty_ldisc_unlock' declared 'static' but never defined [-Wunused-function] > static inline void tty_ldisc_unlock(struct tty_struct *tty); > ^~~~~~~~~~~~~~~~ > > vim +437 include/linux/tty.h > > 393 > 394 #ifdef CONFIG_TTY > 395 extern void tty_kref_put(struct tty_struct *tty); > 396 extern struct pid *tty_get_pgrp(struct tty_struct *tty); > 397 extern void tty_vhangup_self(void); > 398 extern void disassociate_ctty(int priv); > 399 extern dev_t tty_devnum(struct tty_struct *tty); > 400 extern void proc_clear_tty(struct task_struct *p); > 401 extern struct tty_struct *get_current_tty(void); > 402 /* tty_io.c */ > 403 extern int __init tty_init(void); > 404 extern const char *tty_name(const struct tty_struct *tty); > 405 extern struct tty_struct *tty_kopen(dev_t device); > 406 extern void tty_kclose(struct tty_struct *tty); > 407 extern int tty_dev_name_to_number(const char *name, dev_t *number); > 408 extern int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout); > 409 extern void tty_ldisc_unlock(struct tty_struct *tty); > 410 #else > 411 static inline void tty_kref_put(struct tty_struct *tty) > 412 { } > 413 static inline struct pid *tty_get_pgrp(struct tty_struct *tty) > 414 { return NULL; } > 415 static inline void tty_vhangup_self(void) > 416 { } > 417 static inline void disassociate_ctty(int priv) > 418 { } > 419 static inline dev_t tty_devnum(struct tty_struct *tty) > 420 { return 0; } > 421 static inline void proc_clear_tty(struct task_struct *p) > 422 { } > 423 static inline struct tty_struct *get_current_tty(void) > 424 { return NULL; } > 425 /* tty_io.c */ > 426 static inline int __init tty_init(void) > 427 { return 0; } > 428 static inline const char *tty_name(const struct tty_struct *tty) > 429 { return "(none)"; } > 430 static inline struct tty_struct *tty_kopen(dev_t device) > 431 { return ERR_PTR(-ENODEV); } > 432 static inline void tty_kclose(struct tty_struct *tty) > 433 { } > 434 static inline int tty_dev_name_to_number(const char *name, dev_t *number) > 435 { return -ENOTSUPP; } > 436 static inline int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout); > > 437 { return 0; } Ah, stupid typo, I'll go fix this up and push out the tree again... greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
