Commit 2577d92e authored by Ionut Alexa's avatar Ionut Alexa Committed by Al Viro
Browse files

kernel/acct.c: fix coding style warnings and errors


Signed-off-by: default avatarIonut Alexa <ionut.m.alexa@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 3064c356
......@@ -108,14 +108,14 @@ static int check_free_space(struct bsd_acct_struct *acct)
do_div(suspend, 100);
if (sbuf.f_bavail <= suspend) {
acct->active = 0;
printk(KERN_INFO "Process accounting paused\n");
pr_info("Process accounting paused\n");
}
} else {
u64 resume = sbuf.f_blocks * RESUME;
do_div(resume, 100);
if (sbuf.f_bavail >= resume) {
acct->active = 1;
printk(KERN_INFO "Process accounting resumed\n");
pr_info("Process accounting resumed\n");
}
}
......@@ -280,6 +280,7 @@ SYSCALL_DEFINE1(acct, const char __user *, name)
if (name) {
struct filename *tmp = getname(name);
if (IS_ERR(tmp))
return PTR_ERR(tmp);
mutex_lock(&acct_on_mutex);
......@@ -337,7 +338,7 @@ static comp_t encode_comp_t(unsigned long value)
return exp;
}
#if ACCT_VERSION==1 || ACCT_VERSION==2
#if ACCT_VERSION == 1 || ACCT_VERSION == 2
/*
* encode an u64 into a comp2_t (24 bits)
*
......@@ -350,7 +351,7 @@ static comp_t encode_comp_t(unsigned long value)
#define MANTSIZE2 20 /* 20 bit mantissa. */
#define EXPSIZE2 5 /* 5 bit base 2 exponent. */
#define MAXFRACT2 ((1ul << MANTSIZE2) - 1) /* Maximum fractional value. */
#define MAXEXP2 ((1 <<EXPSIZE2) - 1) /* Maximum exponent. */
#define MAXEXP2 ((1 << EXPSIZE2) - 1) /* Maximum exponent. */
static comp2_t encode_comp2_t(u64 value)
{
......@@ -381,7 +382,7 @@ static comp2_t encode_comp2_t(u64 value)
}
#endif
#if ACCT_VERSION==3
#if ACCT_VERSION == 3
/*
* encode an u64 into a 32 bit IEEE float
*/
......@@ -390,8 +391,9 @@ static u32 encode_float(u64 value)
unsigned exp = 190;
unsigned u;
if (value==0) return 0;
while ((s64)value > 0){
if (value == 0)
return 0;
while ((s64)value > 0) {
value <<= 1;
exp--;
}
......@@ -429,16 +431,17 @@ static void fill_ac(acct_t *ac)
run_time -= current->group_leader->start_time;
/* convert nsec -> AHZ */
elapsed = nsec_to_AHZ(run_time);
#if ACCT_VERSION==3
#if ACCT_VERSION == 3
ac->ac_etime = encode_float(elapsed);
#else
ac->ac_etime = encode_comp_t(elapsed < (unsigned long) -1l ?
(unsigned long) elapsed : (unsigned long) -1l);
(unsigned long) elapsed : (unsigned long) -1l);
#endif
#if ACCT_VERSION==1 || ACCT_VERSION==2
#if ACCT_VERSION == 1 || ACCT_VERSION == 2
{
/* new enlarged etime field */
comp2_t etime = encode_comp2_t(elapsed);
ac->ac_etime_hi = etime >> 16;
ac->ac_etime_lo = (u16) etime;
}
......@@ -491,12 +494,12 @@ static void do_acct_process(struct bsd_acct_struct *acct)
/* we really need to bite the bullet and change layout */
ac.ac_uid = from_kuid_munged(file->f_cred->user_ns, orig_cred->uid);
ac.ac_gid = from_kgid_munged(file->f_cred->user_ns, orig_cred->gid);
#if ACCT_VERSION==1 || ACCT_VERSION==2
#if ACCT_VERSION == 1 || ACCT_VERSION == 2
/* backward-compatible 16 bit fields */
ac.ac_uid16 = ac.ac_uid;
ac.ac_gid16 = ac.ac_gid;
#endif
#if ACCT_VERSION==3
#if ACCT_VERSION == 3
ac.ac_pid = task_tgid_nr_ns(current, ns);
rcu_read_lock();
ac.ac_ppid = task_tgid_nr_ns(rcu_dereference(current->real_parent), ns);
......@@ -530,6 +533,7 @@ void acct_collect(long exitcode, int group_dead)
if (group_dead && current->mm) {
struct vm_area_struct *vma;
down_read(&current->mm->mmap_sem);
vma = current->mm->mmap;
while (vma) {
......
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