staging: lustre: ldlm: ldlm_resource.c - fix dereferenceing user space buffer

- this fixes sparse warning for directly deferencing user space buffer

./lustre/ldlm/ldlm_resource.c:202:35: warning: incorrect type in argument 2 (different address spaces)
./lustre/ldlm/ldlm_resource.c:202:35:    expected void const [noderef] <asn:1>*from
./lustre/ldlm/ldlm_resource.c:202:35:    got char const *buffer

Signed-off-by: Anil Belur <askb23@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Anil Belur 2014-07-31 11:37:05 +05:30 committed by Greg Kroah-Hartman
parent 80039faa88
commit f1555465d3

View File

@ -189,8 +189,9 @@ static int lprocfs_lru_size_seq_show(struct seq_file *m, void *v)
return lprocfs_rd_uint(m, nr);
}
static ssize_t lprocfs_lru_size_seq_write(struct file *file, const char *buffer,
size_t count, loff_t *off)
static ssize_t lprocfs_lru_size_seq_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *off)
{
struct ldlm_namespace *ns = ((struct seq_file *)file->private_data)->private;
char dummy[MAX_STRING_SIZE + 1];