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authorIonut Alexa <ionut.m.alexa@gmail.com>2014-08-08 14:21:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-08 15:57:22 -0700
commita0be55dee71d437f7593c8c3673edd92962bafaf (patch)
treea6304617295281f4f8bf30c3e4a0158e486d73cf /kernel/exit.c
parentf58d6c75471c1b034b5bb0b38a7d6a9671f96299 (diff)
downloadlinux-sh-a0be55dee71d437f7593c8c3673edd92962bafaf.tar.gz
kernel/exit.c: fix coding style warnings and errors
Fixed coding style warnings and errors. Signed-off-by: Ionut Alexa <ionut.m.alexa@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c49
1 files changed, 26 insertions, 23 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 88c6b3e42583..32c58f7433a3 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -59,7 +59,7 @@
#include <asm/pgtable.h>
#include <asm/mmu_context.h>
-static void exit_mm(struct task_struct * tsk);
+static void exit_mm(struct task_struct *tsk);
static void __unhash_process(struct task_struct *p, bool group_dead)
{
@@ -151,7 +151,7 @@ static void __exit_signal(struct task_struct *tsk)
spin_unlock(&sighand->siglock);
__cleanup_sighand(sighand);
- clear_tsk_thread_flag(tsk,TIF_SIGPENDING);
+ clear_tsk_thread_flag(tsk, TIF_SIGPENDING);
if (group_dead) {
flush_sigqueue(&sig->shared_pending);
tty_kref_put(tty);
@@ -168,7 +168,7 @@ static void delayed_put_task_struct(struct rcu_head *rhp)
}
-void release_task(struct task_struct * p)
+void release_task(struct task_struct *p)
{
struct task_struct *leader;
int zap_leader;
@@ -192,7 +192,8 @@ repeat:
*/
zap_leader = 0;
leader = p->group_leader;
- if (leader != p && thread_group_empty(leader) && leader->exit_state == EXIT_ZOMBIE) {
+ if (leader != p && thread_group_empty(leader)
+ && leader->exit_state == EXIT_ZOMBIE) {
/*
* If we were the last child thread and the leader has
* exited already, and the leader's parent ignores SIGCHLD,
@@ -241,7 +242,8 @@ struct pid *session_of_pgrp(struct pid *pgrp)
*
* "I ask you, have you ever known what it is to be an orphan?"
*/
-static int will_become_orphaned_pgrp(struct pid *pgrp, struct task_struct *ignored_task)
+static int will_become_orphaned_pgrp(struct pid *pgrp,
+ struct task_struct *ignored_task)
{
struct task_struct *p;
@@ -294,9 +296,9 @@ kill_orphaned_pgrp(struct task_struct *tsk, struct task_struct *parent)
struct task_struct *ignored_task = tsk;
if (!parent)
- /* exit: our father is in a different pgrp than
- * we are and we were the only connection outside.
- */
+ /* exit: our father is in a different pgrp than
+ * we are and we were the only connection outside.
+ */
parent = tsk->real_parent;
else
/* reparent: our child is in a different pgrp than
@@ -405,7 +407,7 @@ assign_new_owner:
* Turn us into a lazy TLB process if we
* aren't already..
*/
-static void exit_mm(struct task_struct * tsk)
+static void exit_mm(struct task_struct *tsk)
{
struct mm_struct *mm = tsk->mm;
struct core_state *core_state;
@@ -425,6 +427,7 @@ static void exit_mm(struct task_struct * tsk)
core_state = mm->core_state;
if (core_state) {
struct core_thread self;
+
up_read(&mm->mmap_sem);
self.task = tsk;
@@ -566,6 +569,7 @@ static void forget_original_parent(struct task_struct *father)
list_for_each_entry_safe(p, n, &father->children, sibling) {
struct task_struct *t = p;
+
do {
t->real_parent = reaper;
if (t->parent == father) {
@@ -599,7 +603,7 @@ static void exit_notify(struct task_struct *tsk, int group_dead)
/*
* This does two things:
*
- * A. Make init inherit all the child processes
+ * A. Make init inherit all the child processes
* B. Check to see if any process groups have become orphaned
* as a result of our exiting, and if they have any stopped
* jobs, send them a SIGHUP and then a SIGCONT. (POSIX 3.2.2.2)
@@ -649,9 +653,8 @@ static void check_stack_usage(void)
spin_lock(&low_water_lock);
if (free < lowest_to_date) {
- printk(KERN_WARNING "%s (%d) used greatest stack depth: "
- "%lu bytes left\n",
- current->comm, task_pid_nr(current), free);
+ pr_warn("%s (%d) used greatest stack depth: %lu bytes left\n",
+ current->comm, task_pid_nr(current), free);
lowest_to_date = free;
}
spin_unlock(&low_water_lock);
@@ -692,8 +695,7 @@ void do_exit(long code)
* leave this task alone and wait for reboot.
*/
if (unlikely(tsk->flags & PF_EXITING)) {
- printk(KERN_ALERT
- "Fixing recursive fault but reboot is needed!\n");
+ pr_alert("Fixing recursive fault but reboot is needed!\n");
/*
* We can do this unlocked here. The futex code uses
* this flag just to verify whether the pi state
@@ -717,9 +719,9 @@ void do_exit(long code)
raw_spin_unlock_wait(&tsk->pi_lock);
if (unlikely(in_atomic()))
- printk(KERN_INFO "note: %s[%d] exited with preempt_count %d\n",
- current->comm, task_pid_nr(current),
- preempt_count());
+ pr_info("note: %s[%d] exited with preempt_count %d\n",
+ current->comm, task_pid_nr(current),
+ preempt_count());
acct_update_integrals(tsk);
/* sync mm's RSS info before statistics gathering */
@@ -837,7 +839,6 @@ void do_exit(long code)
for (;;)
cpu_relax(); /* For when BUG is null */
}
-
EXPORT_SYMBOL_GPL(do_exit);
void complete_and_exit(struct completion *comp, long code)
@@ -847,7 +848,6 @@ void complete_and_exit(struct completion *comp, long code)
do_exit(code);
}
-
EXPORT_SYMBOL(complete_and_exit);
SYSCALL_DEFINE1(exit, int, error_code)
@@ -870,6 +870,7 @@ do_group_exit(int exit_code)
exit_code = sig->group_exit_code;
else if (!thread_group_empty(current)) {
struct sighand_struct *const sighand = current->sighand;
+
spin_lock_irq(&sighand->siglock);
if (signal_group_exit(sig))
/* Another thread got here before we took the lock. */
@@ -1034,9 +1035,9 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
* as other threads in the parent group can be right
* here reaping other children at the same time.
*
- * We use thread_group_cputime_adjusted() to get times for the thread
- * group, which consolidates times for all threads in the
- * group including the group leader.
+ * We use thread_group_cputime_adjusted() to get times for
+ * the thread group, which consolidates times for all threads
+ * in the group including the group leader.
*/
thread_group_cputime_adjusted(p, &tgutime, &tgstime);
spin_lock_irq(&p->real_parent->sighand->siglock);
@@ -1418,6 +1419,7 @@ static int do_wait_thread(struct wait_opts *wo, struct task_struct *tsk)
list_for_each_entry(p, &tsk->children, sibling) {
int ret = wait_consider_task(wo, 0, p);
+
if (ret)
return ret;
}
@@ -1431,6 +1433,7 @@ static int ptrace_do_wait(struct wait_opts *wo, struct task_struct *tsk)
list_for_each_entry(p, &tsk->ptraced, ptrace_entry) {
int ret = wait_consider_task(wo, 1, p);
+
if (ret)
return ret;
}