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linux/fs/ext4/sysfs.c
Chao Yu c0d3a7bdc7 ext4: check return value of kstrtoull correctly in reserved_clusters_store 
commit 1ea1516fbb upstream.

kstrtoull returns 0 on success, however, in reserved_clusters_store we
will return -EINVAL if kstrtoull returns 0, it makes us fail to update
reserved_clusters value through sysfs.

Fixes: 76d33bca55
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-15 12:16:16 +02:00

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