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| author | Rusty Russell <rusty@rustcorp.com.au> | 2013-07-15 11:22:32 +0930 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2013-07-15 11:25:02 +0930 |
| commit | 5d7e438629413586ab78779751caa6e713c2234c (patch) | |
| tree | 6342df34867bb71718fc242dc19adc3ced0360ad /drivers/acpi/acpi_pad.c | |
| parent | 228b82211b47b597fa75dff2ac146b40eaaddf18 (diff) | |
| download | linux-0-day-5d7e438629413586ab78779751caa6e713c2234c.tar.gz linux-0-day-5d7e438629413586ab78779751caa6e713c2234c.tar.xz | |
acpi: Replace weird use of PTR_RET.
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>
Diffstat (limited to 'drivers/acpi/acpi_pad.c')
| -rw-r--r-- | drivers/acpi/acpi_pad.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 27bb6a91de5f6..46e0b3ca4abad 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -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; } |