From: Julia Lawall <julia@xxxxxxx> If td_desc is NULL, just skip both kfrees. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E,E1; identifier f; statement S1,S2,S3; @@ if ((E == NULL && ...) || ...) { ... when != if (...) S1 else S2 when != E = E1 * E->f ... when any return ...; } else S3 // </smpl> Signed-off-by: Julia Lawall <julia@xxxxxxx> --- drivers/dma/timb_dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index 0172fa3..c4eb96a 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c @@ -382,7 +382,7 @@ static struct timb_dma_desc *td_alloc_init_desc(struct timb_dma_chan *td_chan) td_desc = kzalloc(sizeof(struct timb_dma_desc), GFP_KERNEL); if (!td_desc) { dev_err(chan2dev(chan), "Failed to alloc descriptor\n"); - goto err; + goto out; } td_desc->desc_list_len = td_chan->desc_elems * TIMB_DMA_DESC_SIZE; @@ -410,7 +410,7 @@ static struct timb_dma_desc *td_alloc_init_desc(struct timb_dma_chan *td_chan) err: kfree(td_desc->desc_list); kfree(td_desc); - +out: return NULL; } -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html