static void __exit divert_exit(void) { unsigned long flags; int i; spin_lock_irqsave(&divert_lock, flags); divert_if.cmd = DIVERT_CMD_REL; /* release */ if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR) { printk(KERN_WARNING "dss1_divert: error %d releasing module\n", i); spin_unlock_irqrestore(&divert_lock, flags); return; } if (divert_dev_deinit()) { printk(KERN_WARNING "dss1_divert: device busy, remove cancelled\n"); spin_unlock_irqrestore(&divert_lock, flags); return; } spin_unlock_irqrestore(&divert_lock, flags); deleterule(-1); /* delete all rules and free mem */ deleteprocs(); printk(KERN_INFO "dss1_divert module successfully removed \n"); }
void cleanup_module(void) { int flags; int i; save_flags(flags); cli(); divert_if.cmd = DIVERT_CMD_REL; /* release */ if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR) { printk(KERN_WARNING "dss1_divert: error %d releasing module\n",i); restore_flags(flags); return; } if (divert_dev_deinit()) { printk(KERN_WARNING "dss1_divert: device busy, remove cancelled\n"); restore_flags(flags); return; } restore_flags(flags); deleterule(-1); /* delete all rules and free mem */ deleteprocs(); printk(KERN_INFO "dss1_divert module successfully removed \n"); } /* cleanup_module */
static int __init divert_init(void) { int i; if (divert_dev_init()) #ifdef CONFIG_DEBUG_PRINTK { printk(KERN_WARNING "dss1_divert: cannot install device, not loaded\n"); #else { ; #endif return(-EIO); } if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR) { divert_dev_deinit(); #ifdef CONFIG_DEBUG_PRINTK printk(KERN_WARNING "dss1_divert: error %d registering module, not loaded\n",i); #else ; #endif return(-EIO); } #ifdef CONFIG_DEBUG_PRINTK printk(KERN_INFO "dss1_divert module successfully installed\n"); #else ; #endif return(0); } /**********************/ /* Module deinit code */ /**********************/ static void __exit divert_exit(void) { unsigned long flags; int i; spin_lock_irqsave(&divert_lock, flags); divert_if.cmd = DIVERT_CMD_REL; /* release */ if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR) #ifdef CONFIG_DEBUG_PRINTK { printk(KERN_WARNING "dss1_divert: error %d releasing module\n",i); #else { ; #endif spin_unlock_irqrestore(&divert_lock, flags); return; } if (divert_dev_deinit()) #ifdef CONFIG_DEBUG_PRINTK { printk(KERN_WARNING "dss1_divert: device busy, remove cancelled\n"); #else { ; #endif spin_unlock_irqrestore(&divert_lock, flags); return; } spin_unlock_irqrestore(&divert_lock, flags); deleterule(-1); /* delete all rules and free mem */ deleteprocs(); #ifdef CONFIG_DEBUG_PRINTK printk(KERN_INFO "dss1_divert module successfully removed \n"); #else ; #endif } module_init(divert_init); module_exit(divert_exit);