[PATCH] btrfs: replace simple_strtoul() with kstrtoul()

[Zhang Zhen <zhenzhang.zhang@huawei.com>]

use the newer and more pleasant kstrtoul() to replace simple_strtoul(),
because simple_strtoul() is marked for obsoletion.

Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
---
 fs/btrfs/ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 2ad7de9..0075b7d 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1506,7 +1506,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
 		sizestr = devstr + 1;
 		*devstr = '\0';
 		devstr = vol_args->name;
-		devid = simple_strtoull(devstr, &end, 10);
+		devid = kstrtoul(devstr, &end, 10);
 		if (!devid) {
 			ret = -EINVAL;
 			goto out_free;
-- 
1.8.1.2


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