Slab allocators: define common size limitations

[linux-2.6.git] / block / scsi_ioctl.c

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 2528a0c0dec8bc906533d1b62163f6404d1c697c..e83f1dbf7c29a12563d18da1ae355929dcdde06e 100644 (file)
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -78,7 +78,9 @@ static int sg_set_timeout(request_queue_t *q, int __user *p)
 
 static int sg_get_reserved_size(request_queue_t *q, int __user *p)
 {
-       return put_user(q->sg_reserved_size, p);
+       unsigned val = min(q->sg_reserved_size, q->max_sectors << 9);
+
+       return put_user(val, p);
 }
 
 static int sg_set_reserved_size(request_queue_t *q, int __user *p)
@@ -223,7 +225,7 @@ static int verify_command(struct file *file, unsigned char *cmd)
 static int sg_io(struct file *file, request_queue_t *q,
                struct gendisk *bd_disk, struct sg_io_hdr *hdr)
 {
-       unsigned long start_time;
+       unsigned long start_time, timeout;
        int writing = 0, ret = 0;
        struct request *rq;
        char sense[SCSI_SENSE_BUFFERSIZE];
@@ -271,7 +273,8 @@ static int sg_io(struct file *file, request_queue_t *q,
 
        rq->cmd_type = REQ_TYPE_BLOCK_PC;
 
-       rq->timeout = jiffies_to_msecs(hdr->timeout);
+       timeout = msecs_to_jiffies(hdr->timeout);
+       rq->timeout = (timeout < INT_MAX) ? timeout : INT_MAX;
        if (!rq->timeout)
                rq->timeout = q->sg_timeout;
        if (!rq->timeout)