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acpi: Replace weird use of PTR_RET.

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This functions is really weird.  It sets rc to -ENOMEM, then overrides
it.  It was converted to PTR_RET in a1458187 when it should have
simply been rewritten.

This version makes it more explicit, with a single IS_ERR() test.

Cc: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rusty Russell 2013-07-15 11:22:32 +09:30
parent 228b82211b
commit 5d7e438629
1 changed files with 8 additions and 5 deletions
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13
drivers/acpi/acpi_pad.c
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@ -231,16 +231,19 @@ static struct task_struct *ps_tsks[NR_CPUS];
static unsigned int ps_tsk_num;
static int create_power_saving_task(void)
{
int rc = -ENOMEM;
int rc;
ps_tsks[ps_tsk_num] = kthread_run(power_saving_thread,
(void *)(unsigned long)ps_tsk_num,
"acpi_pad/%d", ps_tsk_num);
rc = PTR_RET(ps_tsks[ps_tsk_num]);
if (!rc)
ps_tsk_num++;
else
if (IS_ERR(ps_tsks[ps_tsk_num])) {
rc = PTR_ERR(ps_tsks[ps_tsk_num]);
ps_tsks[ps_tsk_num] = NULL;
} else {
rc = 0;
ps_tsk_num++;
}
return rc;
}