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xen-netback: use kstrdup instead of open-coding it

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use kstrdup instead of open-coding it.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Acked-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Minghao Chi 2022-09-21 02:16:17 +00:00 committed by David S. Miller
parent e19de30d20
commit f948ac2313
1 changed files with 1 additions and 2 deletions
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3
drivers/net/xen-netback/xenbus.c
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@ -865,13 +865,12 @@ static int connect_data_rings(struct backend_info *be,
* queue-N.
*/
if (num_queues == 1) {
xspath = kzalloc(strlen(dev->otherend) + 1, GFP_KERNEL);
xspath = kstrdup(dev->otherend, GFP_KERNEL);
if (!xspath) {
xenbus_dev_fatal(dev, -ENOMEM,
"reading ring references");
return -ENOMEM;
}
strcpy(xspath, dev->otherend);
} else {
xspathsize = strlen(dev->otherend) + xenstore_path_ext_size;
xspath = kzalloc(xspathsize, GFP_KERNEL);