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[PATCH] Fix sg_page_malloc() memset
authorHugh Dickins <hugh@veritas.com>
Mon, 9 Jan 2006 20:46:49 +0000 (20:46 +0000)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 9 Jan 2006 20:57:05 +0000 (12:57 -0800)
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>
drivers/scsi/sg.c patch | blob | blame | history

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 221e96e2620a66f3b9cb264e9c387c85f9ef7add..78aad9582bcfbef87399ac33e02fa60b39712cdc 100644 (file)
--- 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;
        }