diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 14:50:03 +0100 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 21:20:20 +0100 |
commit | 80c5520811d3805adcb15c570ea5e2d489fa5d0b (patch) | |
tree | ae797a7f4af39f80e77526533d06ac23b439f0ab /drivers/firmware/dcdbas.c | |
parent | b3e3b302cf6dc8d60b67f0e84d1fa5648889c038 (diff) | |
parent | 8c083f081d0014057901c68a0a3e0f8ca7ac8d23 (diff) |
Merge branch 'cpus4096' into irq/threaded
Conflicts:
arch/parisc/kernel/irq.c
kernel/irq/handle.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/firmware/dcdbas.c')
-rw-r--r-- | drivers/firmware/dcdbas.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c index 777fba48d2d..3009e0171e5 100644 --- a/drivers/firmware/dcdbas.c +++ b/drivers/firmware/dcdbas.c @@ -244,7 +244,7 @@ static ssize_t host_control_on_shutdown_store(struct device *dev, */ int dcdbas_smi_request(struct smi_cmd *smi_cmd) { - cpumask_t old_mask; + cpumask_var_t old_mask; int ret = 0; if (smi_cmd->magic != SMI_CMD_MAGIC) { @@ -254,8 +254,11 @@ int dcdbas_smi_request(struct smi_cmd *smi_cmd) } /* SMI requires CPU 0 */ - old_mask = current->cpus_allowed; - set_cpus_allowed_ptr(current, &cpumask_of_cpu(0)); + if (!alloc_cpumask_var(&old_mask, GFP_KERNEL)) + return -ENOMEM; + + cpumask_copy(old_mask, ¤t->cpus_allowed); + set_cpus_allowed_ptr(current, cpumask_of(0)); if (smp_processor_id() != 0) { dev_dbg(&dcdbas_pdev->dev, "%s: failed to get CPU 0\n", __func__); @@ -275,7 +278,8 @@ int dcdbas_smi_request(struct smi_cmd *smi_cmd) ); out: - set_cpus_allowed_ptr(current, &old_mask); + set_cpus_allowed_ptr(current, old_mask); + free_cpumask_var(old_mask); return ret; } |