Messages in this thread Patch in this message | | | Date | Sat, 19 Dec 2009 08:30:30 +0100 (CET) | From | Julia Lawall <> | Subject | [PATCH 2/2] drivers/dma: drop unnecesary memset |
| |
From: Julia Lawall <julia@diku.dk>
memset of 0 is not needed after kzalloc
The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/)
// <smpl> @@ expression x; statement S; @@
x = kzalloc(...); if (x == NULL) S ... when != x -memset(x,0,...);// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
--- drivers/dma/dw_dmac.c | 2 -- 1 file changed, 2 deletions(-)
diff -u -p a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -1270,8 +1270,6 @@ static int __init dw_probe(struct platfo goto err_kfree; } - memset(dw, 0, sizeof *dw); - dw->regs = ioremap(io->start, DW_REGLEN); if (!dw->regs) { err = -ENOMEM;
| |