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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-03-04 11:48:56 +0200
committerDavid S. Miller <davem@davemloft.net>2019-03-04 10:20:39 -0800
commit29ca1c5a4b4b4da8741f1a1204c3ab22f3cb1059 (patch)
tree30f490b5df0bb8bac0a89007ef1003ff3767ae33
parentmellanox: Switch to bitmap_zalloc() (diff)
downloadlinux-dev-29ca1c5a4b4b4da8741f1a1204c3ab22f3cb1059.tar.xz
linux-dev-29ca1c5a4b4b4da8741f1a1204c3ab22f3cb1059.zip
net-sysfs: Switch to bitmap_zalloc()
Switch to bitmap_zalloc() to show clearly what we are allocating. Besides that it returns pointer of bitmap type instead of opaque void *. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--net/core/net-sysfs.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 7c5061123ead..76161503527b 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1336,8 +1336,7 @@ static ssize_t xps_rxqs_show(struct netdev_queue *queue, char *buf)
if (tc < 0)
return -EINVAL;
}
- mask = kcalloc(BITS_TO_LONGS(dev->num_rx_queues), sizeof(long),
- GFP_KERNEL);
+ mask = bitmap_zalloc(dev->num_rx_queues, GFP_KERNEL);
if (!mask)
return -ENOMEM;
@@ -1366,7 +1365,7 @@ out_no_maps:
rcu_read_unlock();
len = bitmap_print_to_pagebuf(false, buf, mask, dev->num_rx_queues);
- kfree(mask);
+ bitmap_free(mask);
return len < PAGE_SIZE ? len : -EINVAL;
}
@@ -1382,8 +1381,7 @@ static ssize_t xps_rxqs_store(struct netdev_queue *queue, const char *buf,
if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
return -EPERM;
- mask = kcalloc(BITS_TO_LONGS(dev->num_rx_queues), sizeof(long),
- GFP_KERNEL);
+ mask = bitmap_zalloc(dev->num_rx_queues, GFP_KERNEL);
if (!mask)
return -ENOMEM;
@@ -1391,7 +1389,7 @@ static ssize_t xps_rxqs_store(struct netdev_queue *queue, const char *buf,
err = bitmap_parse(buf, len, mask, dev->num_rx_queues);
if (err) {
- kfree(mask);
+ bitmap_free(mask);
return err;
}
@@ -1399,7 +1397,7 @@ static ssize_t xps_rxqs_store(struct netdev_queue *queue, const char *buf,
err = __netif_set_xps_queue(dev, mask, index, true);
cpus_read_unlock();
- kfree(mask);
+ bitmap_free(mask);
return err ? : len;
}