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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-14 09:22:35 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-14 09:22:35 -0800 |
| commit | 83e047c104aa95a8a683d6bd421df1551c17dbd2 (patch) | |
| tree | 494aef444659ebe5bcbd0e423f91e3eff33100c4 /kernel/padata.c | |
| parent | 18320f2a6871aaf2522f793fee4a67eccf5e131a (diff) | |
| parent | a3b30e7210c870d79d3c3cedb80f8cfaab0f4e2e (diff) | |
| download | linux-stable-83e047c104aa95a8a683d6bd421df1551c17dbd2.tar.gz linux-stable-83e047c104aa95a8a683d6bd421df1551c17dbd2.tar.bz2 linux-stable-83e047c104aa95a8a683d6bd421df1551c17dbd2.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge fourth set of updates from Andrew Morton:
- the rest of lib/
- checkpatch updates
- a few misc things
- kasan: kernel address sanitizer
- the rtc tree
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (108 commits)
ARM: mvebu: enable Armada 38x RTC driver in mvebu_v7_defconfig
ARM: mvebu: add Device Tree description of RTC on Armada 38x
MAINTAINERS: add the RTC driver for the Armada38x
drivers/rtc/rtc-armada38x: add a new RTC driver for recent mvebu SoCs
rtc: armada38x: add the device tree binding documentation
rtc: rtc-ab-b5ze-s3: add sub-minute alarm support
rtc: add support for Abracon AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip
of: add vendor prefix for Abracon Corporation
drivers/rtc/rtc-rk808.c: fix rtc time reading issue
drivers/rtc/rtc-isl12057.c: constify struct regmap_config
drivers/rtc/rtc-at91sam9.c: constify struct regmap_config
drivers/rtc/rtc-imxdi.c: add more known register bits
drivers/rtc/rtc-imxdi.c: trivial clean up code
ARM: mvebu: ISL12057 rtc chip can now wake up RN102, RN102 and RN2120
rtc: rtc-isl12057: add isil,irq2-can-wakeup-machine property for in-tree users
drivers/rtc/rtc-isl12057.c: add alarm support to Intersil ISL12057 RTC driver
drivers/rtc/rtc-pcf2123.c: add support for devicetree
kprobes: makes kprobes/enabled works correctly for optimized kprobes.
kprobes: set kprobes_all_disarmed earlier to enable re-optimization.
init: remove CONFIG_INIT_FALLBACK
...
Diffstat (limited to 'kernel/padata.c')
| -rw-r--r-- | kernel/padata.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/kernel/padata.c b/kernel/padata.c index 161402f0b517..b38bea9c466a 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -917,15 +917,10 @@ static ssize_t show_cpumask(struct padata_instance *pinst, else cpumask = pinst->cpumask.pcpu; - len = bitmap_scnprintf(buf, PAGE_SIZE, cpumask_bits(cpumask), - nr_cpu_ids); - if (PAGE_SIZE - len < 2) - len = -EINVAL; - else - len += sprintf(buf + len, "\n"); - + len = snprintf(buf, PAGE_SIZE, "%*pb\n", + nr_cpu_ids, cpumask_bits(cpumask)); mutex_unlock(&pinst->lock); - return len; + return len < PAGE_SIZE ? len : -EINVAL; } static ssize_t store_cpumask(struct padata_instance *pinst, |