Commit 41ed16fa authored by Hugh Dickins's avatar Hugh Dickins Committed by Linus Torvalds
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[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: default avatarHugh Dickins <>
Signed-off-by: default avatarLinus Torvalds <>
parent 6150c325
......@@ -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;
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