Merge branch 'linus' into tracing/core

Merge reason: tracing/core was on a .30-rc1 base and was missing out on
              on a handful of tracing fixes present in .30-rc5-almost.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 5 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 49c98730bb8d..91e316fe6522 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -179,7 +179,7 @@ typedef struct sg_device { /* holds the state of each scsi generic device */
 /* tasklet or soft irq callback */
 static void sg_rq_end_io(struct request *rq, int uptodate);
 static int sg_start_req(Sg_request *srp, unsigned char *cmd);
-static void sg_finish_rem_req(Sg_request * srp);
+static int sg_finish_rem_req(Sg_request * srp);
 static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size);
 static ssize_t sg_new_read(Sg_fd * sfp, char __user *buf, size_t count,
                            Sg_request * srp);
@@ -518,7 +518,7 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
                 goto err_out;
         }
 err_out:
-        sg_finish_rem_req(srp);
+        err = sg_finish_rem_req(srp);
         return (0 == err) ? count : err;
 }
 
@@ -1697,9 +1697,10 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd)
         return res;
 }
 
-static void
-sg_finish_rem_req(Sg_request * srp)
+static int sg_finish_rem_req(Sg_request * srp)
 {
+        int ret = 0;
+
         Sg_fd *sfp = srp->parentfp;
         Sg_scatter_hold *req_schp = &srp->data;
 
@@ -1711,12 +1712,14 @@ sg_finish_rem_req(Sg_request * srp)
 
         if (srp->rq) {
                 if (srp->bio)
-                        blk_rq_unmap_user(srp->bio);
+                        ret = blk_rq_unmap_user(srp->bio);
 
                 blk_put_request(srp->rq);
         }
 
         sg_remove_request(sfp, srp);
+
+        return ret;
 }
 
 static int