[PATCH 1/2] sg: fix sparse __user annotation warning

[Christoph Hellwig]

blk_trace_setup takes a __user pointer, so use the local void __user *
pointer instead of casting the argument to char * for it in the sg
ioctl handler.

Signed-off-by: Christoph Hellwig <***@lst.de>
---
drivers/scsi/sg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 01cf888..b94435b 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1138,7 +1138,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
sdp->disk->disk_name,
MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
NULL,
- (char *)arg);
+ p);
case BLKTRACESTART:
return blk_trace_startstop(sdp->device->request_queue, 1);
case BLKTRACESTOP: