1 files changed, 3 insertions, 2 deletions

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 2528a0c0dec8..65c6a3cba6d6 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -223,7 +223,7 @@ 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 +271,8 @@ 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)