Hi Corentin, [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on v4.9-rc8 next-20161209] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Corentin-Labbe/hwrng-core-do-not-use-multiple-blank-lines/20161210-072632 config: i386-randconfig-i0-201649 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/char/hw_random/core.c: In function 'rng_dev_open': >> drivers/char/hw_random/core.c:169:11: error: dereferencing pointer to incomplete type if ((filp->f_mode & FMODE_READ) == 0) ^ drivers/char/hw_random/core.c:169:22: error: 'FMODE_READ' undeclared (first use in this function) if ((filp->f_mode & FMODE_READ) == 0) ^ drivers/char/hw_random/core.c:169:22: note: each undeclared identifier is reported only once for each function it appears in drivers/char/hw_random/core.c:171:10: error: dereferencing pointer to incomplete type if (filp->f_mode & FMODE_WRITE) ^ drivers/char/hw_random/core.c:171:21: error: 'FMODE_WRITE' undeclared (first use in this function) if (filp->f_mode & FMODE_WRITE) ^ drivers/char/hw_random/core.c: In function 'rng_dev_read': drivers/char/hw_random/core.c:221:11: error: dereferencing pointer to incomplete type !(filp->f_flags & O_NONBLOCK)); ^ drivers/char/hw_random/core.c:221:23: error: 'O_NONBLOCK' undeclared (first use in this function) !(filp->f_flags & O_NONBLOCK)); ^ drivers/char/hw_random/core.c:230:12: error: dereferencing pointer to incomplete type if (filp->f_flags & O_NONBLOCK) { ^ drivers/char/hw_random/core.c: At top level: drivers/char/hw_random/core.c:272:21: error: variable 'rng_chrdev_ops' has initializer but incomplete type static const struct file_operations rng_chrdev_ops = { ^ drivers/char/hw_random/core.c:273:2: error: unknown field 'owner' specified in initializer .owner = THIS_MODULE, ^ In file included from include/linux/linkage.h:6:0, from include/linux/kernel.h:6, from include/linux/delay.h:10, from drivers/char/hw_random/core.c:13: include/linux/export.h:37:30: warning: excess elements in struct initializer [enabled by default] #define THIS_MODULE ((struct module *)0) ^ drivers/char/hw_random/core.c:273:12: note: in expansion of macro 'THIS_MODULE' .owner = THIS_MODULE, ^ include/linux/export.h:37:30: warning: (near initialization for 'rng_chrdev_ops') [enabled by default] #define THIS_MODULE ((struct module *)0) ^ drivers/char/hw_random/core.c:273:12: note: in expansion of macro 'THIS_MODULE' .owner = THIS_MODULE, ^ drivers/char/hw_random/core.c:274:2: error: unknown field 'open' specified in initializer .open = rng_dev_open, ^ drivers/char/hw_random/core.c:274:2: warning: excess elements in struct initializer [enabled by default] drivers/char/hw_random/core.c:274:2: warning: (near initialization for 'rng_chrdev_ops') [enabled by default] drivers/char/hw_random/core.c:275:2: error: unknown field 'read' specified in initializer .read = rng_dev_read, ^ drivers/char/hw_random/core.c:275:2: warning: excess elements in struct initializer [enabled by default] drivers/char/hw_random/core.c:275:2: warning: (near initialization for 'rng_chrdev_ops') [enabled by default] drivers/char/hw_random/core.c:276:2: error: unknown field 'llseek' specified in initializer .llseek = noop_llseek, ^ drivers/char/hw_random/core.c:276:13: error: 'noop_llseek' undeclared here (not in a function) .llseek = noop_llseek, ^ drivers/char/hw_random/core.c:276:2: warning: excess elements in struct initializer [enabled by default] .llseek = noop_llseek, ^ drivers/char/hw_random/core.c:276:2: warning: (near initialization for 'rng_chrdev_ops') [enabled by default] vim +169 drivers/char/hw_random/core.c 844dd05f Michael Buesch 2006-06-26 163 return 0; 844dd05f Michael Buesch 2006-06-26 164 } 844dd05f Michael Buesch 2006-06-26 165 844dd05f Michael Buesch 2006-06-26 166 static int rng_dev_open(struct inode *inode, struct file *filp) 844dd05f Michael Buesch 2006-06-26 167 { 844dd05f Michael Buesch 2006-06-26 168 /* enforce read-only access to this chrdev */ 844dd05f Michael Buesch 2006-06-26 @169 if ((filp->f_mode & FMODE_READ) == 0) 844dd05f Michael Buesch 2006-06-26 170 return -EINVAL; 844dd05f Michael Buesch 2006-06-26 171 if (filp->f_mode & FMODE_WRITE) 844dd05f Michael Buesch 2006-06-26 172 return -EINVAL; :::::: The code at line 169 was first introduced by commit :::::: 844dd05fec172d98b0dacecd9b9e9f6595204c13 [PATCH] Add new generic HW RNG core :::::: TO: Michael Buesch <mb@xxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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