From 4c1b0e7891bf928d41dd4b6ba4271804be3d5009 Mon Sep 17 00:00:00 2001 From: Ciro Santilli Date: Thu, 8 Jun 2017 06:26:20 +0100 Subject: [PATCH] Spaces to tabs --- kernel_module/debugfs.c | 26 +++++++++--------- kernel_module/dep.c | 52 +++++++++++++++++------------------ kernel_module/fops.c | 2 +- kernel_module/irq.c | 4 +-- kernel_module/test/myinsmod.c | 28 +++++++++---------- kernel_module/test/myrmmod.c | 10 +++---- kernel_module/test/poll.c | 48 ++++++++++++++++---------------- 7 files changed, 85 insertions(+), 85 deletions(-) diff --git a/kernel_module/debugfs.c b/kernel_module/debugfs.c index 2cd74b5..f2861ea 100644 --- a/kernel_module/debugfs.c +++ b/kernel_module/debugfs.c @@ -19,23 +19,23 @@ static u32 value = 42; static int myinit(void) { - struct dentry *file; - dir = debugfs_create_dir("lkmc_debugfs", 0); - if (!dir) { - printk(KERN_ALERT "debugfs_create_dir failed"); - return -1; - } - file = debugfs_create_u32("myfile", 0666, dir, &value); - if (!file) { - printk(KERN_ALERT "debugfs_create_u32 failed"); - return -1; - } - return 0; + struct dentry *file; + dir = debugfs_create_dir("lkmc_debugfs", 0); + if (!dir) { + printk(KERN_ALERT "debugfs_create_dir failed"); + return -1; + } + file = debugfs_create_u32("myfile", 0666, dir, &value); + if (!file) { + printk(KERN_ALERT "debugfs_create_u32 failed"); + return -1; + } + return 0; } static void myexit(void) { - debugfs_remove_recursive(dir); + debugfs_remove_recursive(dir); } module_init(myinit) diff --git a/kernel_module/dep.c b/kernel_module/dep.c index 6f77040..aacf905 100644 --- a/kernel_module/dep.c +++ b/kernel_module/dep.c @@ -1,38 +1,38 @@ /* Exports the lkmc_dep which dep2.ko uses. - insmod /dep.ko - # dmesg => 0 - # dmesg => 0 - # dmesg => ... - insmod /dep2.ko - # dmesg => 1 - # dmesg => 2 - # dmesg => ... - rmmod dep - # Fails because dep2 uses it. - rmmod dep2 - # Dmesg stops incrementing. - rmmod dep + insmod /dep.ko + # dmesg => 0 + # dmesg => 0 + # dmesg => ... + insmod /dep2.ko + # dmesg => 1 + # dmesg => 2 + # dmesg => ... + rmmod dep + # Fails because dep2 uses it. + rmmod dep2 + # Dmesg stops incrementing. + rmmod dep sys visibility: - dmesg -n 1 - insmod /dep.ko - insmod /dep2.ko - ls -l /sys/module/dep/holders - # => ../../dep2 - cat refcnt - # => 1 + dmesg -n 1 + insmod /dep.ko + insmod /dep2.ko + ls -l /sys/module/dep/holders + # => ../../dep2 + cat refcnt + # => 1 depmod: - grep dep "/lib/module/"*"/depmod" - # extra/dep2.ko: extra/dep.ko - # extra/dep.ko: - modprobe dep - # lsmod - # Both dep and dep2 were loaded. + grep dep "/lib/module/"*"/depmod" + # extra/dep2.ko: extra/dep.ko + # extra/dep.ko: + modprobe dep + # lsmod + # Both dep and dep2 were loaded. TODO: at what point does buildroot / busybox generate that file? */ diff --git a/kernel_module/fops.c b/kernel_module/fops.c index 216a08d..d5ef0c7 100644 --- a/kernel_module/fops.c +++ b/kernel_module/fops.c @@ -144,7 +144,7 @@ static int myinit(void) printk(KERN_ALERT "debugfs_create_dir failed"); return -1; } - file = debugfs_create_file("f", 0666, dir, NULL, &fops); + file = debugfs_create_file("f", 0666, dir, NULL, &fops); if (!file) { printk(KERN_ALERT "debugfs_create_file failed"); return -1; diff --git a/kernel_module/irq.c b/kernel_module/irq.c index 43dbe9c..2324e73 100644 --- a/kernel_module/irq.c +++ b/kernel_module/irq.c @@ -13,8 +13,8 @@ MODULE_LICENSE("GPL"); * Return value from kernel docs:* * * enum irqreturn - * @IRQ_NON interrupt was not from this device or was not handled - * @IRQ_HANDLED interrupt was handled by this device + * @IRQ_NON interrupt was not from this device or was not handled + * @IRQ_HANDLED interrupt was handled by this device * @IRQ_WAKE_THREAD handler requests to wake the handler thread */ static irqreturn_t handler(int i, void *v) diff --git a/kernel_module/test/myinsmod.c b/kernel_module/test/myinsmod.c index 734d185..966bcf4 100644 --- a/kernel_module/test/myinsmod.c +++ b/kernel_module/test/myinsmod.c @@ -12,23 +12,23 @@ int main(int argc, char **argv) { size_t image_size; void *image; - int fd; - struct stat st; + int fd; + struct stat st; if (argc != 2) { puts("Usage ./prog mymodule.ko"); return EXIT_FAILURE; } - fd = open(argv[1], O_RDONLY); - fstat(fd, &st); - image_size = st.st_size; - image = malloc(image_size); - read(fd, image, image_size); - close(fd); - if (init_module(image, image_size, "") != 0) { - perror("init_module"); - return EXIT_FAILURE; - } - free(image); - return EXIT_SUCCESS; + fd = open(argv[1], O_RDONLY); + fstat(fd, &st); + image_size = st.st_size; + image = malloc(image_size); + read(fd, image, image_size); + close(fd); + if (init_module(image, image_size, "") != 0) { + perror("init_module"); + return EXIT_FAILURE; + } + free(image); + return EXIT_SUCCESS; } diff --git a/kernel_module/test/myrmmod.c b/kernel_module/test/myrmmod.c index 3bf7179..32a0975 100644 --- a/kernel_module/test/myrmmod.c +++ b/kernel_module/test/myrmmod.c @@ -14,9 +14,9 @@ int main(int argc, char **argv) { puts("Usage ./prog mymodule"); return EXIT_FAILURE; } - if (delete_module(argv[1], O_NONBLOCK) != 0) { - perror("delete_module"); - return EXIT_FAILURE; - } - return EXIT_SUCCESS; + if (delete_module(argv[1], O_NONBLOCK) != 0) { + perror("delete_module"); + return EXIT_FAILURE; + } + return EXIT_SUCCESS; } diff --git a/kernel_module/test/poll.c b/kernel_module/test/poll.c index bc1a5d3..0ba3da0 100644 --- a/kernel_module/test/poll.c +++ b/kernel_module/test/poll.c @@ -6,29 +6,29 @@ #include /* read */ int main(int argc, char **argv) { - char buf[1024], path[1024]; - int fd, i, n; - short revents; - struct pollfd pfd; + char buf[1024], path[1024]; + int fd, i, n; + short revents; + struct pollfd pfd; - fd = open(argv[1], O_RDONLY | O_NONBLOCK); - if (fd == -1) { - perror("open"); - exit(EXIT_FAILURE); - } - pfd.fd = fd; - pfd.events = POLLIN; - while (1) { - puts("loop"); - i = poll(&pfd, 1, -1); - if (i == -1) { - perror("poll"); - exit(EXIT_FAILURE); - } - revents = pfd.revents; - if (revents & POLLIN) { - n = read(pfd.fd, buf, sizeof(buf)); - printf("POLLIN n=%d buf=%.*s\n", n, n, buf); - } - } + fd = open(argv[1], O_RDONLY | O_NONBLOCK); + if (fd == -1) { + perror("open"); + exit(EXIT_FAILURE); + } + pfd.fd = fd; + pfd.events = POLLIN; + while (1) { + puts("loop"); + i = poll(&pfd, 1, -1); + if (i == -1) { + perror("poll"); + exit(EXIT_FAILURE); + } + revents = pfd.revents; + if (revents & POLLIN) { + n = read(pfd.fd, buf, sizeof(buf)); + printf("POLLIN n=%d buf=%.*s\n", n, n, buf); + } + } }