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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-16 09:22:22 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-16 09:22:22 +0200 |
commit | 58f2c391cc0560231d7636c39d31b1b26c9396b7 (patch) | |
tree | 67956eea736a8763f67be8a52bcaf0d3fe4374f4 /drivers/base/node.c | |
parent | c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c (diff) | |
parent | 33d930e59a98fa10a0db9f56c7fa2f21a4aef9b9 (diff) | |
download | linux-58f2c391cc0560231d7636c39d31b1b26c9396b7.tar.bz2 |
Merge 4.14-rc5 into char-misc-next
We need the fixes in here to resolve merge issues and for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/node.c')
-rw-r--r-- | drivers/base/node.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 3855902f2c5b..aae2402f3791 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -27,13 +27,21 @@ static struct bus_type node_subsys = { static ssize_t node_read_cpumap(struct device *dev, bool list, char *buf) { + ssize_t n; + cpumask_var_t mask; struct node *node_dev = to_node(dev); - const struct cpumask *mask = cpumask_of_node(node_dev->dev.id); /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */ BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1)); - return cpumap_print_to_pagebuf(list, buf, mask); + if (!alloc_cpumask_var(&mask, GFP_KERNEL)) + return 0; + + cpumask_and(mask, cpumask_of_node(node_dev->dev.id), cpu_online_mask); + n = cpumap_print_to_pagebuf(list, buf, mask); + free_cpumask_var(mask); + + return n; } static inline ssize_t node_read_cpumask(struct device *dev, |