res = st_map_user_pages(schp->buffer, mx_sc_elems,
(unsigned long)hp->dxferp, dxfer_len,
(SG_DXFER_TO_DEV == hp->dxfer_direction) ? 1 : 0);
- if (res <= 0)
+ if (res <= 0) {
+ sg_remove_scat(schp);
return 1;
+ }
schp->k_use_sg = res;
schp->dio_in_use = 1;
hp->info |= SG_INFO_DIRECT_IO;
sg_proc_init(void)
{
int k, mask;
- int num_leaves =
- sizeof (sg_proc_leaf_arr) / sizeof (sg_proc_leaf_arr[0]);
+ int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr);
struct proc_dir_entry *pdep;
struct sg_proc_leaf * leaf;
sg_proc_cleanup(void)
{
int k;
- int num_leaves =
- sizeof (sg_proc_leaf_arr) / sizeof (sg_proc_leaf_arr[0]);
+ int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr);
if (!sg_proc_sgp)
return;