#include #include #include #include static int devinfo_show(struct seq_file *f, void *v) { int i = *(loff_t *) v; if (i < CHRDEV_MAJOR_HASH_SIZE) { if (i == 0) seq_puts(f, "Character devices:\n"); chrdev_show(f, i); } #ifdef CONFIG_BLOCK else { i -= CHRDEV_MAJOR_HASH_SIZE; if (i == 0) seq_puts(f, "\nBlock devices:\n"); blkdev_show(f, i); } #endif return 0; } static void *devinfo_start(struct seq_file *f, loff_t *pos) { if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE)) return pos; return NULL; } static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos) { (*pos)++; if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE)) return NULL; return pos; } static void devinfo_stop(struct seq_file *f, void *v) { /* Nothing to do */ } static const struct seq_operations devinfo_ops = { .start = devinfo_start, .next = devinfo_next, .stop = devinfo_stop, .show = devinfo_show }; static int devinfo_open(struct inode *inode, struct file *filp) { return seq_open(filp, &devinfo_ops); } static const struct file_operations proc_devinfo_operations = { .open = devinfo_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release, }; static int __init proc_devices_init(void) { proc_create("devices", 0, NULL, &proc_devinfo_operations); return 0; } fs_initcall(proc_devices_init); t type='submit' value='switch'/> net-next plumbingsTobias Klauser
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-09 11:58:05 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-09 11:58:05 -0800
commit99378fd26803328cbab64ae60fa98e1394d07a6d (patch)
tree1ab2771c56963fec8669ac87c7058c84345365c4 /drivers/usb/usbip/vudc_transfer.c
parent189addce85330208bea50ea7f1483b58822e93cf (diff)
parent413d37326700aaf708730b940b04192c36e13ef4 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov: "A fix for a crash in uinput, and a fix for build errors when HID-RMI is built-in but SERIO is a module" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: synaptics-rmi4 - select 'SERIO' when needed Input: uinput - fix crash when mixing old and new init style
Diffstat (limited to 'drivers/usb/usbip/vudc_transfer.c')