[PATCH] Fix sg_page_malloc() memset

sg_page_malloc should clear the data buffer, not that extent of mem_map.

This fixes Jesper's sg_page_free "Bad page states"

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 221e96e2620a..78aad9582bcf 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -2493,7 +2493,7 @@ sg_page_malloc(int rqSz, int lowDma, int *retSzp)
         }
         if (resp) {
                 if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
-                        memset(resp, 0, resSz);
+                        memset(page_address(resp), 0, resSz);
                 if (retSzp)
                         *retSzp = resSz;
         }