Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

14 files changed, 175 insertions, 37 deletions

diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index eabf00a6f77..9a33ed6ca69 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -16,9 +16,11 @@ extra-y				+= head.o init_task.o vmlinux.lds
 obj-$(CONFIG_MODULES)		+= s390_ksyms.o module.o
 obj-$(CONFIG_SMP)		+= smp.o
 
+obj-$(CONFIG_AUDIT)		+= audit.o
+compat-obj-$(CONFIG_AUDIT)	+= compat_audit.o
 obj-$(CONFIG_COMPAT)		+= compat_linux.o compat_signal.o \
-					compat_wrapper.o compat_exec_domain.o
-obj-$(CONFIG_BINFMT_ELF32)	+= binfmt_elf32.o
+					compat_wrapper.o compat_exec_domain.o \
+					binfmt_elf32.o $(compat-obj-y)
 
 obj-$(CONFIG_VIRT_TIMER)	+= vtime.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c
new file mode 100644
index 00000000000..0741d919339
--- /dev/null
+++ b/arch/s390/kernel/audit.c
@@ -0,0 +1,66 @@
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/audit.h>
+#include <asm/unistd.h>
+
+static unsigned dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+static unsigned read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+static unsigned write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+static unsigned chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_COMPAT
+	extern int s390_classify_syscall(unsigned);
+	if (abi == AUDIT_ARCH_S390)
+		return s390_classify_syscall(syscall);
+#endif
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
+static int __init audit_classes_init(void)
+{
+#ifdef CONFIG_COMPAT
+	extern __u32 s390_dir_class[];
+	extern __u32 s390_write_class[];
+	extern __u32 s390_read_class[];
+	extern __u32 s390_chattr_class[];
+	audit_register_class(AUDIT_CLASS_WRITE_32, s390_write_class);
+	audit_register_class(AUDIT_CLASS_READ_32, s390_read_class);
+	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, s390_dir_class);
+	audit_register_class(AUDIT_CLASS_CHATTR_32, s390_chattr_class);
+#endif
+	audit_register_class(AUDIT_CLASS_WRITE, write_class);
+	audit_register_class(AUDIT_CLASS_READ, read_class);
+	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
+	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	return 0;
+}
+
+__initcall(audit_classes_init);
diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c
new file mode 100644
index 00000000000..16d9436bfa9
--- /dev/null
+++ b/arch/s390/kernel/compat_audit.c
@@ -0,0 +1,38 @@
+#undef __s390x__
+#include <asm/unistd.h>
+
+unsigned s390_dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+unsigned s390_chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+unsigned s390_write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+unsigned s390_read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+int s390_classify_syscall(unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 1;
+	}
+}
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index cabb4ff54cd..785c9f70ac9 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -409,7 +409,7 @@ asmlinkage long sys32_sysinfo(struct sysinfo32 __user *info)
 	mm_segment_t old_fs = get_fs ();
 	
 	set_fs (KERNEL_DS);
-	ret = sys_sysinfo(&s);
+	ret = sys_sysinfo((struct sysinfo __user *) &s);
 	set_fs (old_fs);
 	err = put_user (s.uptime, &info->uptime);
 	err |= __put_user (s.loads[0], &info->loads[0]);
@@ -438,7 +438,7 @@ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid,
 	mm_segment_t old_fs = get_fs ();
 	
 	set_fs (KERNEL_DS);
-	ret = sys_sched_rr_get_interval(pid, &t);
+	ret = sys_sched_rr_get_interval(pid, (struct timespec __user *) &t);
 	set_fs (old_fs);
 	if (put_compat_timespec(&t, interval))
 		return -EFAULT;
@@ -464,7 +464,10 @@ asmlinkage long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
 		}
 	}
 	set_fs (KERNEL_DS);
-	ret = sys_rt_sigprocmask(how, set ? &s : NULL, oset ? &s : NULL, sigsetsize);
+	ret = sys_rt_sigprocmask(how,
+				 set ? (sigset_t __user *) &s : NULL,
+				 oset ? (sigset_t __user *) &s : NULL,
+				 sigsetsize);
 	set_fs (old_fs);
 	if (ret) return ret;
 	if (oset) {
@@ -489,7 +492,7 @@ asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
 	mm_segment_t old_fs = get_fs();
 		
 	set_fs (KERNEL_DS);
-	ret = sys_rt_sigpending(&s, sigsetsize);
+	ret = sys_rt_sigpending((sigset_t __user *) &s, sigsetsize);
 	set_fs (old_fs);
 	if (!ret) {
 		switch (_NSIG_WORDS) {
@@ -514,7 +517,7 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
 	if (copy_siginfo_from_user32(&info, uinfo))
 		return -EFAULT;
 	set_fs (KERNEL_DS);
-	ret = sys_rt_sigqueueinfo(pid, sig, &info);
+	ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *) &info);
 	set_fs (old_fs);
 	return ret;
 }
@@ -674,7 +677,8 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offse
 		return -EFAULT;
 		
 	set_fs(KERNEL_DS);
-	ret = sys_sendfile(out_fd, in_fd, offset ? &of : NULL, count);
+	ret = sys_sendfile(out_fd, in_fd,
+			   offset ? (off_t __user *) &of : NULL, count);
 	set_fs(old_fs);
 	
 	if (offset && put_user(of, offset))
@@ -694,7 +698,8 @@ asmlinkage long sys32_sendfile64(int out_fd, int in_fd,
 		return -EFAULT;
 		
 	set_fs(KERNEL_DS);
-	ret = sys_sendfile64(out_fd, in_fd, offset ? &lof : NULL, count);
+	ret = sys_sendfile64(out_fd, in_fd,
+			     offset ? (loff_t __user *) &lof : NULL, count);
 	set_fs(old_fs);
 	
 	if (offset && put_user(lof, offset))
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index d00de17b377..a4dc61f3285 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -273,7 +273,7 @@ startup_continue:
 .Lbss_end:  .long _end
 .Lparmaddr: .long PARMAREA
 .Lsccbaddr: .long .Lsccb
-	.align	4096
+	.org	0x12000
 .Lsccb:
 	.hword	0x1000			# length, one page
 	.byte	0x00,0x00,0x00
@@ -290,7 +290,7 @@ startup_continue:
 .Lscpincr2:
 	.quad	0x00
 	.fill	3984,1,0
-	.align	4096
+	.org	0x13000
 
 #ifdef CONFIG_SHARED_KERNEL
 	.org	0x100000
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 47744fcca93..9d80c5b1ef9 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -268,7 +268,7 @@ startup_continue:
 .Lparmaddr:
 	.quad	PARMAREA
 
-	.align 4096
+	.org	0x12000
 .Lsccb:
 	.hword 0x1000			# length, one page
 	.byte 0x00,0x00,0x00
@@ -285,7 +285,7 @@ startup_continue:
 .Lscpincr2:
 	.quad 0x00
 	.fill 3984,1,0
-	.align 4096
+	.org	0x13000
 
 #ifdef CONFIG_SHARED_KERNEL
 	.org   0x100000
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index fbde6a91526..60b1ea9f946 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -63,6 +63,7 @@ NORET_TYPE void
 machine_kexec(struct kimage *image)
 {
 	clear_all_subchannels();
+	cio_reset_channel_paths();
 
 	/* Disable lowcore protection */
 	ctl_clear_bit(0,28);
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index c271cdab58e..d989ed45a7a 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -119,7 +119,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
 	int nrela, i, j;
 
 	/* Find symbol table and string table. */
-	symtab = 0;
+	symtab = NULL;
 	for (i = 0; i < hdr->e_shnum; i++)
 		switch (sechdrs[i].sh_type) {
 		case SHT_SYMTAB:
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 78c8e5548ca..d3cbfa3005e 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -172,7 +172,7 @@ void show_regs(struct pt_regs *regs)
 	show_registers(regs);
 	/* Show stack backtrace if pt_regs is from kernel mode */
 	if (!(regs->psw.mask & PSW_MASK_PSTATE))
-		show_trace(0,(unsigned long *) regs->gprs[15]);
+		show_trace(NULL, (unsigned long *) regs->gprs[15]);
 }
 
 extern void kernel_thread_starter(void);
diff --git a/arch/s390/kernel/profile.c b/arch/s390/kernel/profile.c
index 7ba777eec1a..b81aa1f569c 100644
--- a/arch/s390/kernel/profile.c
+++ b/arch/s390/kernel/profile.c
@@ -13,7 +13,7 @@ static struct proc_dir_entry * root_irq_dir;
 void init_irq_proc(void)
 {
 	/* create /proc/irq */
-	root_irq_dir = proc_mkdir("irq", 0);
+	root_irq_dir = proc_mkdir("irq", NULL);
 
 	/* create /proc/irq/prof_cpu_mask */
 	create_prof_cpu_mask(root_irq_dir);
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index 207bc511a6e..c1b383537fe 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -24,7 +24,7 @@
  * (0x1202 external call, 0x1004 cpu timer, 0x2401 hwc console, 0x4000
  * iucv and 0x2603 pfault) this is always the first element. 
  */
-ext_int_info_t *ext_int_hash[256] = { 0, };
+ext_int_info_t *ext_int_hash[256] = { NULL, };
 
 static inline int ext_hash(__u16 code)
 {
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 1ca34f54ea8..c902f059c7a 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -877,31 +877,57 @@ static struct bin_attribute ipl_scp_data_attr = {
 
 static decl_subsys(ipl, NULL, NULL);
 
+static int ipl_register_fcp_files(void)
+{
+	int rc;
+
+	rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+				&ipl_fcp_attr_group);
+	if (rc)
+		goto out;
+	rc = sysfs_create_bin_file(&ipl_subsys.kset.kobj,
+				   &ipl_parameter_attr);
+	if (rc)
+		goto out_ipl_parm;
+	rc = sysfs_create_bin_file(&ipl_subsys.kset.kobj,
+				   &ipl_scp_data_attr);
+	if (!rc)
+		goto out;
+
+	sysfs_remove_bin_file(&ipl_subsys.kset.kobj, &ipl_parameter_attr);
+
+out_ipl_parm:
+	sysfs_remove_group(&ipl_subsys.kset.kobj, &ipl_fcp_attr_group);
+out:
+	return rc;
+}
+
 static int __init
 ipl_device_sysfs_register(void) {
 	int rc;
 
 	rc = firmware_register(&ipl_subsys);
 	if (rc)
-		return rc;
+		goto out;
 
 	switch (get_ipl_type()) {
 	case ipl_type_ccw:
-		sysfs_create_group(&ipl_subsys.kset.kobj, &ipl_ccw_attr_group);
+		rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+					&ipl_ccw_attr_group);
 		break;
 	case ipl_type_fcp:
-		sysfs_create_group(&ipl_subsys.kset.kobj, &ipl_fcp_attr_group);
-		sysfs_create_bin_file(&ipl_subsys.kset.kobj,
-				      &ipl_parameter_attr);
-		sysfs_create_bin_file(&ipl_subsys.kset.kobj,
-				      &ipl_scp_data_attr);
+		rc = ipl_register_fcp_files();
 		break;
 	default:
-		sysfs_create_group(&ipl_subsys.kset.kobj,
-				   &ipl_unknown_attr_group);
+		rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+					&ipl_unknown_attr_group);
 		break;
 	}
-	return 0;
+
+	if (rc)
+		firmware_unregister(&ipl_subsys);
+out:
+	return rc;
 }
 
 __initcall(ipl_device_sysfs_register);
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index f7fe9bc4339..74e6178fbaf 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -379,7 +379,7 @@ void __init time_init(void)
                                 -xtime.tv_sec, -xtime.tv_nsec);
 
 	/* request the clock comparator external interrupt */
-        if (register_early_external_interrupt(0x1004, 0,
+	if (register_early_external_interrupt(0x1004, NULL,
 					      &ext_int_info_cc) != 0)
                 panic("Couldn't request external interrupt 0x1004");
 
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 12240c03a6d..bde1d1d5985 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -170,7 +170,7 @@ void show_stack(struct task_struct *task, unsigned long *sp)
  */
 void dump_stack(void)
 {
-	show_stack(0, 0);
+	show_stack(NULL, NULL);
 }
 
 EXPORT_SYMBOL(dump_stack);
@@ -331,9 +331,9 @@ static void inline do_trap(long interruption_code, int signr, char *str,
         }
 }
 
-static inline void *get_check_address(struct pt_regs *regs)
+static inline void __user *get_check_address(struct pt_regs *regs)
 {
-	return (void *)((regs->psw.addr-S390_lowcore.pgm_ilc) & PSW_ADDR_INSN);
+	return (void __user *)((regs->psw.addr-S390_lowcore.pgm_ilc) & PSW_ADDR_INSN);
 }
 
 void do_single_step(struct pt_regs *regs)
@@ -360,7 +360,7 @@ asmlinkage void name(struct pt_regs * regs, long interruption_code) \
         info.si_signo = signr; \
         info.si_errno = 0; \
         info.si_code = sicode; \
-        info.si_addr = (void *)siaddr; \
+	info.si_addr = siaddr; \
         do_trap(interruption_code, signr, str, regs, &info); \
 }
 
@@ -392,7 +392,7 @@ DO_ERROR_INFO(SIGILL,  "translation exception", translation_exception,
 	      ILL_ILLOPN, get_check_address(regs))
 
 static inline void
-do_fp_trap(struct pt_regs *regs, void *location,
+do_fp_trap(struct pt_regs *regs, void __user *location,
            int fpc, long interruption_code)
 {
 	siginfo_t si;
@@ -424,10 +424,10 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code)
 {
 	siginfo_t info;
         __u8 opcode[6];
-	__u16 *location;
+	__u16 __user *location;
 	int signal = 0;
 
-	location = (__u16 *) get_check_address(regs);
+	location = get_check_address(regs);
 
 	/*
 	 * We got all needed information from the lowcore and can
@@ -559,10 +559,10 @@ DO_ERROR_INFO(SIGILL, "specification exception", specification_exception,
 
 asmlinkage void data_exception(struct pt_regs * regs, long interruption_code)
 {
-	__u16 *location;
+	__u16 __user *location;
 	int signal = 0;
 
-	location = (__u16 *) get_check_address(regs);
+	location = get_check_address(regs);
 
 	/*
 	 * We got all needed information from the lowcore and can