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Diffstat (limited to 'drivers/block/z2ram.c')
-rw-r--r--drivers/block/z2ram.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index 80754cdd3119..4575171e5beb 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -70,15 +70,18 @@ static struct gendisk *z2ram_gendisk;
70static void do_z2_request(struct request_queue *q) 70static void do_z2_request(struct request_queue *q)
71{ 71{
72 struct request *req; 72 struct request *req;
73 while ((req = elv_next_request(q)) != NULL) { 73
74 unsigned long start = req->sector << 9; 74 req = blk_fetch_request(q);
75 unsigned long len = req->current_nr_sectors << 9; 75 while (req) {
76 unsigned long start = blk_rq_pos(req) << 9;
77 unsigned long len = blk_rq_cur_bytes(req);
78 int err = 0;
76 79
77 if (start + len > z2ram_size) { 80 if (start + len > z2ram_size) {
78 printk( KERN_ERR DEVICE_NAME ": bad access: block=%lu, count=%u\n", 81 printk( KERN_ERR DEVICE_NAME ": bad access: block=%lu, count=%u\n",
79 req->sector, req->current_nr_sectors); 82 blk_rq_pos(req), blk_rq_cur_sectors(req));
80 end_request(req, 0); 83 err = -EIO;
81 continue; 84 goto done;
82 } 85 }
83 while (len) { 86 while (len) {
84 unsigned long addr = start & Z2RAM_CHUNKMASK; 87 unsigned long addr = start & Z2RAM_CHUNKMASK;
@@ -93,7 +96,9 @@ static void do_z2_request(struct request_queue *q)
93 start += size; 96 start += size;
94 len -= size; 97 len -= size;
95 } 98 }
96 end_request(req, 1); 99 done:
100 if (!__blk_end_request_cur(req, err))
101 req = blk_fetch_request(q);
97 } 102 }
98} 103}
99 104